Finding the Fourth Proportional to 9,366.06, 12,925.54 and 5,387.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,366.06 : 12,925.54 = 5,387.17 : x
2. Step 2: Convert to fraction form
   9,366.06/12,925.54 = 5,387.17/x
3. Step 3: Cross multiply
   9,366.06x = 12,925.54 × 5,387.17
4. Step 4: Simplify right side
   9,366.06x = 69,632,081.32
5. Step 5: Solve for x
   x = 69,632,081.32/9,366.06
6. Step 6: Final answer
   x = 7,434.51