Finding the Fourth Proportional to 11,490.54, 17,247.42 and 7,741.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,490.54 : 17,247.42 = 7,741.86 : x
2. Step 2: Convert to fraction form
   11,490.54/17,247.42 = 7,741.86/x
3. Step 3: Cross multiply
   11,490.54x = 17,247.42 × 7,741.86
4. Step 4: Simplify right side
   11,490.54x = 133,527,111.00
5. Step 5: Solve for x
   x = 133,527,111.00/11,490.54
6. Step 6: Final answer
   x = 11,620.61