Finding the Fourth Proportional to 11,873.52, 17,802.72 and 4,080.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,873.52 : 17,802.72 = 4,080.78 : x
2. Step 2: Convert to fraction form
   11,873.52/17,802.72 = 4,080.78/x
3. Step 3: Cross multiply
   11,873.52x = 17,802.72 × 4,080.78
4. Step 4: Simplify right side
   11,873.52x = 72,648,983.72
5. Step 5: Solve for x
   x = 72,648,983.72/11,873.52
6. Step 6: Final answer
   x = 6,118.57