Finding the Fourth Proportional to 1,498.72, 2,068.68 and 938.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.72 : 2,068.68 = 938.92 : x
2. Step 2: Convert to fraction form
   1,498.72/2,068.68 = 938.92/x
3. Step 3: Cross multiply
   1,498.72x = 2,068.68 × 938.92
4. Step 4: Simplify right side
   1,498.72x = 1,942,325.03
5. Step 5: Solve for x
   x = 1,942,325.03/1,498.72
6. Step 6: Final answer
   x = 1,295.99