Finding the Fourth Proportional to 1,864.24, 2,572.52 and 1,117.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.24 : 2,572.52 = 1,117.82 : x
2. Step 2: Convert to fraction form
   1,864.24/2,572.52 = 1,117.82/x
3. Step 3: Cross multiply
   1,864.24x = 2,572.52 × 1,117.82
4. Step 4: Simplify right side
   1,864.24x = 2,875,608.72
5. Step 5: Solve for x
   x = 2,875,608.72/1,864.24
6. Step 6: Final answer
   x = 1,542.51