Finding the Fourth Proportional to 9,038.91, 12,474.63 and 5,210.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,038.91 : 12,474.63 = 5,210.69 : x
2. Step 2: Convert to fraction form
   9,038.91/12,474.63 = 5,210.69/x
3. Step 3: Cross multiply
   9,038.91x = 12,474.63 × 5,210.69
4. Step 4: Simplify right side
   9,038.91x = 65,001,367.42
5. Step 5: Solve for x
   x = 65,001,367.42/9,038.91
6. Step 6: Final answer
   x = 7,191.28