Finding the Fourth Proportional to 11,557.02, 15,943.05 and 7,079.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,557.02 : 15,943.05 = 7,079.34 : x
2. Step 2: Convert to fraction form
   11,557.02/15,943.05 = 7,079.34/x
3. Step 3: Cross multiply
   11,557.02x = 15,943.05 × 7,079.34
4. Step 4: Simplify right side
   11,557.02x = 112,866,271.59
5. Step 5: Solve for x
   x = 112,866,271.59/11,557.02
6. Step 6: Final answer
   x = 9,766.04