Finding the Fourth Proportional to 1,842.15, 2,542.22 and 1,002.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.15 : 2,542.22 = 1,002.89 : x
2. Step 2: Convert to fraction form
   1,842.15/2,542.22 = 1,002.89/x
3. Step 3: Cross multiply
   1,842.15x = 2,542.22 × 1,002.89
4. Step 4: Simplify right side
   1,842.15x = 2,549,549.29
5. Step 5: Solve for x
   x = 2,549,549.29/1,842.15
6. Step 6: Final answer
   x = 1,384.01