Finding the Fourth Proportional to 59,418.90, 89,123.99 and 21,961.53

Step by Step Solution

1. Step 1: Write the proportion equation
   59,418.90 : 89,123.99 = 21,961.53 : x
2. Step 2: Convert to fraction form
   59,418.90/89,123.99 = 21,961.53/x
3. Step 3: Cross multiply
   59,418.90x = 89,123.99 × 21,961.53
4. Step 4: Simplify right side
   59,418.90x = 1,957,299,070.30
5. Step 5: Solve for x
   x = 1,957,299,070.30/59,418.90
6. Step 6: Final answer
   x = 32,940.68