Finding the Fourth Proportional to 3,397.06, 5,095.57 and 931.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,397.06 : 5,095.57 = 931.69 : x
2. Step 2: Convert to fraction form
   3,397.06/5,095.57 = 931.69/x
3. Step 3: Cross multiply
   3,397.06x = 5,095.57 × 931.69
4. Step 4: Simplify right side
   3,397.06x = 4,747,491.61
5. Step 5: Solve for x
   x = 4,747,491.61/3,397.06
6. Step 6: Final answer
   x = 1,397.53