Finding the Fourth Proportional to 9,075.32, 12,531.82 and 5,724.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,075.32 : 12,531.82 = 5,724.12 : x
2. Step 2: Convert to fraction form
   9,075.32/12,531.82 = 5,724.12/x
3. Step 3: Cross multiply
   9,075.32x = 12,531.82 × 5,724.12
4. Step 4: Simplify right side
   9,075.32x = 71,733,641.50
5. Step 5: Solve for x
   x = 71,733,641.50/9,075.32
6. Step 6: Final answer
   x = 7,904.25