Finding the Fourth Proportional to 101,177.76, 139,598.16 and 65,354.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,177.76 : 139,598.16 = 65,354.72 : x
2. Step 2: Convert to fraction form
   101,177.76/139,598.16 = 65,354.72/x
3. Step 3: Cross multiply
   101,177.76x = 139,598.16 × 65,354.72
4. Step 4: Simplify right side
   101,177.76x = 9,123,398,659.32
5. Step 5: Solve for x
   x = 9,123,398,659.32/101,177.76
6. Step 6: Final answer
   x = 90,171.98