Finding the Fourth Proportional to 59,587.36, 89,439.36 and 59,310.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,587.36 : 89,439.36 = 59,310.16 : x
2. Step 2: Convert to fraction form
   59,587.36/89,439.36 = 59,310.16/x
3. Step 3: Cross multiply
   59,587.36x = 89,439.36 × 59,310.16
4. Step 4: Simplify right side
   59,587.36x = 5,304,662,751.90
5. Step 5: Solve for x
   x = 5,304,662,751.90/59,587.36
6. Step 6: Final answer
   x = 89,023.29