Finding the Fourth Proportional to 101,273.52, 139,755 and 55,955.84

Step by Step Solution

1. Step 1: Write the proportion equation
   101,273.52 : 139,755 = 55,955.84 : x
2. Step 2: Convert to fraction form
   101,273.52/139,755 = 55,955.84/x
3. Step 3: Cross multiply
   101,273.52x = 139,755 × 55,955.84
4. Step 4: Simplify right side
   101,273.52x = 7,820,108,419.20
5. Step 5: Solve for x
   x = 7,820,108,419.20/101,273.52
6. Step 6: Final answer
   x = 77,217.70