Finding the Fourth Proportional to 1,737.29, 2,397.69 and 991.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,737.29 : 2,397.69 = 991.08 : x
2. Step 2: Convert to fraction form
   1,737.29/2,397.69 = 991.08/x
3. Step 3: Cross multiply
   1,737.29x = 2,397.69 × 991.08
4. Step 4: Simplify right side
   1,737.29x = 2,376,302.61
5. Step 5: Solve for x
   x = 2,376,302.61/1,737.29
6. Step 6: Final answer
   x = 1,367.82