Finding the Fourth Proportional to 1,932.71, 2,665.17 and 1,653.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.71 : 2,665.17 = 1,653.86 : x
2. Step 2: Convert to fraction form
   1,932.71/2,665.17 = 1,653.86/x
3. Step 3: Cross multiply
   1,932.71x = 2,665.17 × 1,653.86
4. Step 4: Simplify right side
   1,932.71x = 4,407,824.72
5. Step 5: Solve for x
   x = 4,407,824.72/1,932.71
6. Step 6: Final answer
   x = 2,280.65