Finding the Fourth Proportional to 11,097.99, 15,312.54 and 7,124.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,097.99 : 15,312.54 = 7,124.52 : x
2. Step 2: Convert to fraction form
   11,097.99/15,312.54 = 7,124.52/x
3. Step 3: Cross multiply
   11,097.99x = 15,312.54 × 7,124.52
4. Step 4: Simplify right side
   11,097.99x = 109,094,497.48
5. Step 5: Solve for x
   x = 109,094,497.48/11,097.99
6. Step 6: Final answer
   x = 9,830.11