Finding the Fourth Proportional to 102,300,043.70, 141,174,116.83 and 55,257,116.87

Step by Step Solution

1. Step 1: Write the proportion equation
   102,300,043.70 : 141,174,116.83 = 55,257,116.87 : x
2. Step 2: Convert to fraction form
   102,300,043.70/141,174,116.83 = 55,257,116.87/x
3. Step 3: Cross multiply
   102,300,043.70x = 141,174,116.83 × 55,257,116.87
4. Step 4: Simplify right side
   102,300,043.70x = 7,800,874,672,842,081
5. Step 5: Solve for x
   x = 7,800,874,672,842,081/102,300,043.70
6. Step 6: Final answer
   x = 76,254,851.82