Finding the Fourth Proportional to 11,131.10, 15,356.72 and 7,304.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.10 : 15,356.72 = 7,304.86 : x
2. Step 2: Convert to fraction form
   11,131.10/15,356.72 = 7,304.86/x
3. Step 3: Cross multiply
   11,131.10x = 15,356.72 × 7,304.86
4. Step 4: Simplify right side
   11,131.10x = 112,178,727.12
5. Step 5: Solve for x
   x = 112,178,727.12/11,131.10
6. Step 6: Final answer
   x = 10,077.96