Finding the Fourth Proportional to 9,349.71, 12,902.58 and 5,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,349.71 : 12,902.58 = 5,100.72 : x
2. Step 2: Convert to fraction form
   9,349.71/12,902.58 = 5,100.72/x
3. Step 3: Cross multiply
   9,349.71x = 12,902.58 × 5,100.72
4. Step 4: Simplify right side
   9,349.71x = 65,812,447.86
5. Step 5: Solve for x
   x = 65,812,447.86/9,349.71
6. Step 6: Final answer
   x = 7,038.98