Finding the Fourth Proportional to 1,864.56, 2,571.92 and 1,547.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.56 : 2,571.92 = 1,547.98 : x
2. Step 2: Convert to fraction form
   1,864.56/2,571.92 = 1,547.98/x
3. Step 3: Cross multiply
   1,864.56x = 2,571.92 × 1,547.98
4. Step 4: Simplify right side
   1,864.56x = 3,981,280.72
5. Step 5: Solve for x
   x = 3,981,280.72/1,864.56
6. Step 6: Final answer
   x = 2,135.24