Finding the Fourth Proportional to 101,380.38, 139,892.72 and 56,052.24

Step by Step Solution

1. Step 1: Write the proportion equation
   101,380.38 : 139,892.72 = 56,052.24 : x
2. Step 2: Convert to fraction form
   101,380.38/139,892.72 = 56,052.24/x
3. Step 3: Cross multiply
   101,380.38x = 139,892.72 × 56,052.24
4. Step 4: Simplify right side
   101,380.38x = 7,841,300,035.43
5. Step 5: Solve for x
   x = 7,841,300,035.43/101,380.38
6. Step 6: Final answer
   x = 77,345.34