Finding the Fourth Proportional to 11,272.62, 15,561.30 and 7,502.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,272.62 : 15,561.30 = 7,502.46 : x
2. Step 2: Convert to fraction form
   11,272.62/15,561.30 = 7,502.46/x
3. Step 3: Cross multiply
   11,272.62x = 15,561.30 × 7,502.46
4. Step 4: Simplify right side
   11,272.62x = 116,748,030.80
5. Step 5: Solve for x
   x = 116,748,030.80/11,272.62
6. Step 6: Final answer
   x = 10,356.78