Finding the Fourth Proportional to 59,434.32, 89,187.12 and 21,988.02

Step by Step Solution

1. Step 1: Write the proportion equation
   59,434.32 : 89,187.12 = 21,988.02 : x
2. Step 2: Convert to fraction form
   59,434.32/89,187.12 = 21,988.02/x
3. Step 3: Cross multiply
   59,434.32x = 89,187.12 × 21,988.02
4. Step 4: Simplify right side
   59,434.32x = 1,961,048,178.30
5. Step 5: Solve for x
   x = 1,961,048,178.30/59,434.32
6. Step 6: Final answer
   x = 32,995.22