Finding the Fourth Proportional to 1,331.56, 1,837.50 and 742.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331.56 : 1,837.50 = 742.04 : x
2. Step 2: Convert to fraction form
   1,331.56/1,837.50 = 742.04/x
3. Step 3: Cross multiply
   1,331.56x = 1,837.50 × 742.04
4. Step 4: Simplify right side
   1,331.56x = 1,363,498.50
5. Step 5: Solve for x
   x = 1,363,498.50/1,331.56
6. Step 6: Final answer
   x = 1,023.99