Finding the Fourth Proportional to 123,356,648.79, 185,014,157.94 and 57,784,800.87

Step by Step Solution

1. Step 1: Write the proportion equation
   123,356,648.79 : 185,014,157.94 = 57,784,800.87 : x
2. Step 2: Convert to fraction form
   123,356,648.79/185,014,157.94 = 57,784,800.87/x
3. Step 3: Cross multiply
   123,356,648.79x = 185,014,157.94 × 57,784,800.87
4. Step 4: Simplify right side
   123,356,648.79x = 10,691,006,274,693,628
5. Step 5: Solve for x
   x = 10,691,006,274,693,628/123,356,648.79
6. Step 6: Final answer
   x = 86,667,450.68