Finding the Fourth Proportional to 11,841.20, 17,752.82 and 7,160.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,841.20 : 17,752.82 = 7,160.10 : x
2. Step 2: Convert to fraction form
   11,841.20/17,752.82 = 7,160.10/x
3. Step 3: Cross multiply
   11,841.20x = 17,752.82 × 7,160.10
4. Step 4: Simplify right side
   11,841.20x = 127,111,966.48
5. Step 5: Solve for x
   x = 127,111,966.48/11,841.20
6. Step 6: Final answer
   x = 10,734.72