Finding the Fourth Proportional to 58,879.71, 88,327.71 and 21,432.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,879.71 : 88,327.71 = 21,432.78 : x
2. Step 2: Convert to fraction form
   58,879.71/88,327.71 = 21,432.78/x
3. Step 3: Cross multiply
   58,879.71x = 88,327.71 × 21,432.78
4. Step 4: Simplify right side
   58,879.71x = 1,893,108,376.33
5. Step 5: Solve for x
   x = 1,893,108,376.33/58,879.71
6. Step 6: Final answer
   x = 32,152.13