Finding the Fourth Proportional to 9,349.48, 12,902.29 and 5,100.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,349.48 : 12,902.29 = 5,100.55 : x
2. Step 2: Convert to fraction form
   9,349.48/12,902.29 = 5,100.55/x
3. Step 3: Cross multiply
   9,349.48x = 12,902.29 × 5,100.55
4. Step 4: Simplify right side
   9,349.48x = 65,808,775.26
5. Step 5: Solve for x
   x = 65,808,775.26/9,349.48
6. Step 6: Final answer
   x = 7,038.76