Finding the Fourth Proportional to 10,656.30, 15,971.69 and 7,531.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,656.30 : 15,971.69 = 7,531.62 : x
2. Step 2: Convert to fraction form
   10,656.30/15,971.69 = 7,531.62/x
3. Step 3: Cross multiply
   10,656.30x = 15,971.69 × 7,531.62
4. Step 4: Simplify right side
   10,656.30x = 120,292,662.18
5. Step 5: Solve for x
   x = 120,292,662.18/10,656.30
6. Step 6: Final answer
   x = 11,288.41