Finding the Fourth Proportional to 11,665.61, 17,498.42 and 2,900.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.61 : 17,498.42 = 2,900.52 : x
2. Step 2: Convert to fraction form
   11,665.61/17,498.42 = 2,900.52/x
3. Step 3: Cross multiply
   11,665.61x = 17,498.42 × 2,900.52
4. Step 4: Simplify right side
   11,665.61x = 50,754,517.18
5. Step 5: Solve for x
   x = 50,754,517.18/11,665.61
6. Step 6: Final answer
   x = 4,350.78