Finding the Fourth Proportional to 2,430.16, 3,642.18 and 1,042.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.16 : 3,642.18 = 1,042.60 : x
2. Step 2: Convert to fraction form
   2,430.16/3,642.18 = 1,042.60/x
3. Step 3: Cross multiply
   2,430.16x = 3,642.18 × 1,042.60
4. Step 4: Simplify right side
   2,430.16x = 3,797,336.87
5. Step 5: Solve for x
   x = 3,797,336.87/2,430.16
6. Step 6: Final answer
   x = 1,562.59