Finding the Fourth Proportional to 59,940.10, 89,900.16 and 21,981.52

Step by Step Solution

1. Step 1: Write the proportion equation
   59,940.10 : 89,900.16 = 21,981.52 : x
2. Step 2: Convert to fraction form
   59,940.10/89,900.16 = 21,981.52/x
3. Step 3: Cross multiply
   59,940.10x = 89,900.16 × 21,981.52
4. Step 4: Simplify right side
   59,940.10x = 1,976,142,165.04
5. Step 5: Solve for x
   x = 1,976,142,165.04/59,940.10
6. Step 6: Final answer
   x = 32,968.62