Finding the Fourth Proportional to 2,897.62, 4,335.50 and 1,665.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.62 : 4,335.50 = 1,665.61 : x
2. Step 2: Convert to fraction form
   2,897.62/4,335.50 = 1,665.61/x
3. Step 3: Cross multiply
   2,897.62x = 4,335.50 × 1,665.61
4. Step 4: Simplify right side
   2,897.62x = 7,221,243.83
5. Step 5: Solve for x
   x = 7,221,243.83/2,897.62
6. Step 6: Final answer
   x = 2,492.13