Finding the Fourth Proportional to 89,421,287,022.57, 123,401,759,735.88 and 48,777,084,234.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,421,287,022.57 : 123,401,759,735.88 = 48,777,084,234.18 : x
2. Step 2: Convert to fraction form
   89,421,287,022.57/123,401,759,735.88 = 48,777,084,234.18/x
3. Step 3: Cross multiply
   89,421,287,022.57x = 123,401,759,735.88 × 48,777,084,234.18
4. Step 4: Simplify right side
   89,421,287,022.57x = 6,019,178,029,283,060,744,192
5. Step 5: Solve for x
   x = 6,019,178,029,283,060,744,192/89,421,287,022.57
6. Step 6: Final answer
   x = 67,312,585,511.81