Finding the Fourth Proportional to 64,429.86, 88,892.51 and 38,943.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,429.86 : 88,892.51 = 38,943.76 : x
2. Step 2: Convert to fraction form
   64,429.86/88,892.51 = 38,943.76/x
3. Step 3: Cross multiply
   64,429.86x = 88,892.51 × 38,943.76
4. Step 4: Simplify right side
   64,429.86x = 3,461,808,575.24
5. Step 5: Solve for x
   x = 3,461,808,575.24/64,429.86
6. Step 6: Final answer
   x = 53,729.88