Finding the Fourth Proportional to 59,284.79, 88,961.92 and 21,870.91

Step by Step Solution

1. Step 1: Write the proportion equation
   59,284.79 : 88,961.92 = 21,870.91 : x
2. Step 2: Convert to fraction form
   59,284.79/88,961.92 = 21,870.91/x
3. Step 3: Cross multiply
   59,284.79x = 88,961.92 × 21,870.91
4. Step 4: Simplify right side
   59,284.79x = 1,945,678,263.78
5. Step 5: Solve for x
   x = 1,945,678,263.78/59,284.79
6. Step 6: Final answer
   x = 32,819.18