Finding the Fourth Proportional to 171,802,426.79, 257,744,002.68 and 56,786,969.27

Step by Step Solution

1. Step 1: Write the proportion equation
   171,802,426.79 : 257,744,002.68 = 56,786,969.27 : x
2. Step 2: Convert to fraction form
   171,802,426.79/257,744,002.68 = 56,786,969.27/x
3. Step 3: Cross multiply
   171,802,426.79x = 257,744,002.68 × 56,786,969.27
4. Step 4: Simplify right side
   171,802,426.79x = 14,636,500,758,427,238
5. Step 5: Solve for x
   x = 14,636,500,758,427,238/171,802,426.79
6. Step 6: Final answer
   x = 85,193,795.18