Finding the Fourth Proportional to 2,569.47, 3,851.88 and 924.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.47 : 3,851.88 = 924.86 : x
2. Step 2: Convert to fraction form
   2,569.47/3,851.88 = 924.86/x
3. Step 3: Cross multiply
   2,569.47x = 3,851.88 × 924.86
4. Step 4: Simplify right side
   2,569.47x = 3,562,430.48
5. Step 5: Solve for x
   x = 3,562,430.48/2,569.47
6. Step 6: Final answer
   x = 1,386.45