Finding the Fourth Proportional to 1,498.72, 2,068.50 and 939.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.72 : 2,068.50 = 939.67 : x
2. Step 2: Convert to fraction form
   1,498.72/2,068.50 = 939.67/x
3. Step 3: Cross multiply
   1,498.72x = 2,068.50 × 939.67
4. Step 4: Simplify right side
   1,498.72x = 1,943,702.70
5. Step 5: Solve for x
   x = 1,943,702.70/1,498.72
6. Step 6: Final answer
   x = 1,296.91