Finding the Fourth Proportional to 101,425.61, 139,956.56 and 56,096.39

Step by Step Solution

1. Step 1: Write the proportion equation
   101,425.61 : 139,956.56 = 56,096.39 : x
2. Step 2: Convert to fraction form
   101,425.61/139,956.56 = 56,096.39/x
3. Step 3: Cross multiply
   101,425.61x = 139,956.56 × 56,096.39
4. Step 4: Simplify right side
   101,425.61x = 7,851,057,073.04
5. Step 5: Solve for x
   x = 7,851,057,073.04/101,425.61
6. Step 6: Final answer
   x = 77,407.05