Finding the Fourth Proportional to 11,097.95, 15,317.30 and 7,124.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,097.95 : 15,317.30 = 7,124.09 : x
2. Step 2: Convert to fraction form
   11,097.95/15,317.30 = 7,124.09/x
3. Step 3: Cross multiply
   11,097.95x = 15,317.30 × 7,124.09
4. Step 4: Simplify right side
   11,097.95x = 109,121,764.98
5. Step 5: Solve for x
   x = 109,121,764.98/11,097.95
6. Step 6: Final answer
   x = 9,832.61