Finding the Fourth Proportional to 9,359.65, 12,916.74 and 5,382.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359.65 : 12,916.74 = 5,382.01 : x
2. Step 2: Convert to fraction form
   9,359.65/12,916.74 = 5,382.01/x
3. Step 3: Cross multiply
   9,359.65x = 12,916.74 × 5,382.01
4. Step 4: Simplify right side
   9,359.65x = 69,518,023.85
5. Step 5: Solve for x
   x = 69,518,023.85/9,359.65
6. Step 6: Final answer
   x = 7,427.42