Finding the Fourth Proportional to 59,589.36, 89,442.36 and 59,312.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,589.36 : 89,442.36 = 59,312.16 : x
2. Step 2: Convert to fraction form
   59,589.36/89,442.36 = 59,312.16/x
3. Step 3: Cross multiply
   59,589.36x = 89,442.36 × 59,312.16
4. Step 4: Simplify right side
   59,589.36x = 5,305,019,567.10
5. Step 5: Solve for x
   x = 5,305,019,567.10/59,589.36
6. Step 6: Final answer
   x = 89,026.29