Finding the Fourth Proportional to 11,101.48, 15,326.34 and 7,380.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,101.48 : 15,326.34 = 7,380.52 : x
2. Step 2: Convert to fraction form
   11,101.48/15,326.34 = 7,380.52/x
3. Step 3: Cross multiply
   11,101.48x = 15,326.34 × 7,380.52
4. Step 4: Simplify right side
   11,101.48x = 113,116,358.90
5. Step 5: Solve for x
   x = 113,116,358.90/11,101.48
6. Step 6: Final answer
   x = 10,189.30