Finding the Fourth Proportional to 11,748.57, 17,612.05 and 5,080.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748.57 : 17,612.05 = 5,080.89 : x
2. Step 2: Convert to fraction form
   11,748.57/17,612.05 = 5,080.89/x
3. Step 3: Cross multiply
   11,748.57x = 17,612.05 × 5,080.89
4. Step 4: Simplify right side
   11,748.57x = 89,484,888.72
5. Step 5: Solve for x
   x = 89,484,888.72/11,748.57
6. Step 6: Final answer
   x = 7,616.66