Finding the Fourth Proportional to 101,053.31, 139,452.84 and 55,733.13

Step by Step Solution

1. Step 1: Write the proportion equation
   101,053.31 : 139,452.84 = 55,733.13 : x
2. Step 2: Convert to fraction form
   101,053.31/139,452.84 = 55,733.13/x
3. Step 3: Cross multiply
   101,053.31x = 139,452.84 × 55,733.13
4. Step 4: Simplify right side
   101,053.31x = 7,772,143,260.59
5. Step 5: Solve for x
   x = 7,772,143,260.59/101,053.31
6. Step 6: Final answer
   x = 76,911.32