Finding the Fourth Proportional to 1,233.34, 1,702.86 and 940.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.34 : 1,702.86 = 940.12 : x
2. Step 2: Convert to fraction form
   1,233.34/1,702.86 = 940.12/x
3. Step 3: Cross multiply
   1,233.34x = 1,702.86 × 940.12
4. Step 4: Simplify right side
   1,233.34x = 1,600,892.74
5. Step 5: Solve for x
   x = 1,600,892.74/1,233.34
6. Step 6: Final answer
   x = 1,298.01