Finding the Fourth Proportional to 9,366.57, 12,925.89 and 5,387.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,366.57 : 12,925.89 = 5,387.41 : x
2. Step 2: Convert to fraction form
   9,366.57/12,925.89 = 5,387.41/x
3. Step 3: Cross multiply
   9,366.57x = 12,925.89 × 5,387.41
4. Step 4: Simplify right side
   9,366.57x = 69,637,085.20
5. Step 5: Solve for x
   x = 69,637,085.20/9,366.57
6. Step 6: Final answer
   x = 7,434.64