Finding the Fourth Proportional to 101,372.76, 139,892.22 and 56,049

Step by Step Solution

1. Step 1: Write the proportion equation
   101,372.76 : 139,892.22 = 56,049 : x
2. Step 2: Convert to fraction form
   101,372.76/139,892.22 = 56,049/x
3. Step 3: Cross multiply
   101,372.76x = 139,892.22 × 56,049
4. Step 4: Simplify right side
   101,372.76x = 7,840,819,038.78
5. Step 5: Solve for x
   x = 7,840,819,038.78/101,372.76
6. Step 6: Final answer
   x = 77,346.41