Finding the Fourth Proportional to 101,100.30, 139,546.17 and 58,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,100.30 : 139,546.17 = 58,672.50 : x
2. Step 2: Convert to fraction form
   101,100.30/139,546.17 = 58,672.50/x
3. Step 3: Cross multiply
   101,100.30x = 139,546.17 × 58,672.50
4. Step 4: Simplify right side
   101,100.30x = 8,187,522,659.33
5. Step 5: Solve for x
   x = 8,187,522,659.33/101,100.30
6. Step 6: Final answer
   x = 80,984.16