Finding the Fourth Proportional to 11,472.39, 15,829.47 and 7,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,472.39 : 15,829.47 = 7,499.34 : x
2. Step 2: Convert to fraction form
   11,472.39/15,829.47 = 7,499.34/x
3. Step 3: Cross multiply
   11,472.39x = 15,829.47 × 7,499.34
4. Step 4: Simplify right side
   11,472.39x = 118,710,577.55
5. Step 5: Solve for x
   x = 118,710,577.55/11,472.39
6. Step 6: Final answer
   x = 10,347.50