Finding the Fourth Proportional to 101,934.84, 140,665.29 and 56,615.75

Step by Step Solution

1. Step 1: Write the proportion equation
   101,934.84 : 140,665.29 = 56,615.75 : x
2. Step 2: Convert to fraction form
   101,934.84/140,665.29 = 56,615.75/x
3. Step 3: Cross multiply
   101,934.84x = 140,665.29 × 56,615.75
4. Step 4: Simplify right side
   101,934.84x = 7,963,870,892.32
5. Step 5: Solve for x
   x = 7,963,870,892.32/101,934.84
6. Step 6: Final answer
   x = 78,127.08