Finding the Fourth Proportional to 101,032.24, 139,425.46 and 55,712

Step by Step Solution

1. Step 1: Write the proportion equation
   101,032.24 : 139,425.46 = 55,712 : x
2. Step 2: Convert to fraction form
   101,032.24/139,425.46 = 55,712/x
3. Step 3: Cross multiply
   101,032.24x = 139,425.46 × 55,712
4. Step 4: Simplify right side
   101,032.24x = 7,767,671,227.52
5. Step 5: Solve for x
   x = 7,767,671,227.52/101,032.24
6. Step 6: Final answer
   x = 76,883.09