Finding the Fourth Proportional to 10,261.12, 14,150.88 and 7,615.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,261.12 : 14,150.88 = 7,615.12 : x
2. Step 2: Convert to fraction form
   10,261.12/14,150.88 = 7,615.12/x
3. Step 3: Cross multiply
   10,261.12x = 14,150.88 × 7,615.12
4. Step 4: Simplify right side
   10,261.12x = 107,760,649.31
5. Step 5: Solve for x
   x = 107,760,649.31/10,261.12
6. Step 6: Final answer
   x = 10,501.84