Finding the Fourth Proportional to 104,711,417.72, 144,499,993.49 and 57,672,871.55

Step by Step Solution

1. Step 1: Write the proportion equation
   104,711,417.72 : 144,499,993.49 = 57,672,871.55 : x
2. Step 2: Convert to fraction form
   104,711,417.72/144,499,993.49 = 57,672,871.55/x
3. Step 3: Cross multiply
   104,711,417.72x = 144,499,993.49 × 57,672,871.55
4. Step 4: Simplify right side
   104,711,417.72x = 8,333,729,562,946,289
5. Step 5: Solve for x
   x = 8,333,729,562,946,289/104,711,417.72
6. Step 6: Final answer
   x = 79,587,591.73