Finding the Fourth Proportional to 11,061.55, 15,261.17 and 7,085.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.55 : 15,261.17 = 7,085.06 : x
2. Step 2: Convert to fraction form
   11,061.55/15,261.17 = 7,085.06/x
3. Step 3: Cross multiply
   11,061.55x = 15,261.17 × 7,085.06
4. Step 4: Simplify right side
   11,061.55x = 108,126,305.12
5. Step 5: Solve for x
   x = 108,126,305.12/11,061.55
6. Step 6: Final answer
   x = 9,774.97