Finding the Fourth Proportional to 11,826.88, 17,740.28 and 3,061.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,826.88 : 17,740.28 = 3,061.76 : x
2. Step 2: Convert to fraction form
   11,826.88/17,740.28 = 3,061.76/x
3. Step 3: Cross multiply
   11,826.88x = 17,740.28 × 3,061.76
4. Step 4: Simplify right side
   11,826.88x = 54,316,479.69
5. Step 5: Solve for x
   x = 54,316,479.69/11,826.88
6. Step 6: Final answer
   x = 4,592.63