Finding the Fourth Proportional to 9,131.78, 12,600.59 and 5,098.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.78 : 12,600.59 = 5,098.11 : x
2. Step 2: Convert to fraction form
   9,131.78/12,600.59 = 5,098.11/x
3. Step 3: Cross multiply
   9,131.78x = 12,600.59 × 5,098.11
4. Step 4: Simplify right side
   9,131.78x = 64,239,168.39
5. Step 5: Solve for x
   x = 64,239,168.39/9,131.78
6. Step 6: Final answer
   x = 7,034.69