Finding the Fourth Proportional to 101,425.60, 139,956.56 and 56,096.38

Step by Step Solution

1. Step 1: Write the proportion equation
   101,425.60 : 139,956.56 = 56,096.38 : x
2. Step 2: Convert to fraction form
   101,425.60/139,956.56 = 56,096.38/x
3. Step 3: Cross multiply
   101,425.60x = 139,956.56 × 56,096.38
4. Step 4: Simplify right side
   101,425.60x = 7,851,056,373.25
5. Step 5: Solve for x
   x = 7,851,056,373.25/101,425.60
6. Step 6: Final answer
   x = 77,407.05