Finding the Fourth Proportional to 3,242.57, 4,864.55 and 1,051.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,242.57 : 4,864.55 = 1,051.25 : x
2. Step 2: Convert to fraction form
   3,242.57/4,864.55 = 1,051.25/x
3. Step 3: Cross multiply
   3,242.57x = 4,864.55 × 1,051.25
4. Step 4: Simplify right side
   3,242.57x = 5,113,828.61
5. Step 5: Solve for x
   x = 5,113,828.61/3,242.57
6. Step 6: Final answer
   x = 1,577.09