Finding the Fourth Proportional to 1,331.83, 1,837.78 and 742.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331.83 : 1,837.78 = 742.42 : x
2. Step 2: Convert to fraction form
   1,331.83/1,837.78 = 742.42/x
3. Step 3: Cross multiply
   1,331.83x = 1,837.78 × 742.42
4. Step 4: Simplify right side
   1,331.83x = 1,364,404.63
5. Step 5: Solve for x
   x = 1,364,404.63/1,331.83
6. Step 6: Final answer
   x = 1,024.46