Finding the Fourth Proportional to 1,337.31, 2,002.93 and 1,042.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.31 : 2,002.93 = 1,042.54 : x
2. Step 2: Convert to fraction form
   1,337.31/2,002.93 = 1,042.54/x
3. Step 3: Cross multiply
   1,337.31x = 2,002.93 × 1,042.54
4. Step 4: Simplify right side
   1,337.31x = 2,088,127.03
5. Step 5: Solve for x
   x = 2,088,127.03/1,337.31
6. Step 6: Final answer
   x = 1,561.44