Finding the Fourth Proportional to 89,689,590.02, 123,771,629.49 and 48,436,478.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,689,590.02 : 123,771,629.49 = 48,436,478.42 : x
2. Step 2: Convert to fraction form
   89,689,590.02/123,771,629.49 = 48,436,478.42/x
3. Step 3: Cross multiply
   89,689,590.02x = 123,771,629.49 × 48,436,478.42
4. Step 4: Simplify right side
   89,689,590.02x = 5,995,061,860,800,621
5. Step 5: Solve for x
   x = 5,995,061,860,800,621/89,689,590.02
6. Step 6: Final answer
   x = 66,842,337.66