Finding the Fourth Proportional to 71,790.76, 107,701.52 and 21,874.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,790.76 : 107,701.52 = 21,874.88 : x
2. Step 2: Convert to fraction form
   71,790.76/107,701.52 = 21,874.88/x
3. Step 3: Cross multiply
   71,790.76x = 107,701.52 × 21,874.88
4. Step 4: Simplify right side
   71,790.76x = 2,355,957,825.82
5. Step 5: Solve for x
   x = 2,355,957,825.82/71,790.76
6. Step 6: Final answer
   x = 32,817.01