Finding the Fourth Proportional to 88,100.76, 121,679.94 and 58,020.52

Step by Step Solution

1. Step 1: Write the proportion equation
   88,100.76 : 121,679.94 = 58,020.52 : x
2. Step 2: Convert to fraction form
   88,100.76/121,679.94 = 58,020.52/x
3. Step 3: Cross multiply
   88,100.76x = 121,679.94 × 58,020.52
4. Step 4: Simplify right side
   88,100.76x = 7,059,933,392.37
5. Step 5: Solve for x
   x = 7,059,933,392.37/88,100.76
6. Step 6: Final answer
   x = 80,134.76