Finding the Fourth Proportional to 9,349.90, 12,902.52 and 5,100.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,349.90 : 12,902.52 = 5,100.85 : x
2. Step 2: Convert to fraction form
   9,349.90/12,902.52 = 5,100.85/x
3. Step 3: Cross multiply
   9,349.90x = 12,902.52 × 5,100.85
4. Step 4: Simplify right side
   9,349.90x = 65,813,819.14
5. Step 5: Solve for x
   x = 65,813,819.14/9,349.90
6. Step 6: Final answer
   x = 7,038.99