Finding the Fourth Proportional to 1,731.05, 2,376.76 and 1,685.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.05 : 2,376.76 = 1,685.95 : x
2. Step 2: Convert to fraction form
   1,731.05/2,376.76 = 1,685.95/x
3. Step 3: Cross multiply
   1,731.05x = 2,376.76 × 1,685.95
4. Step 4: Simplify right side
   1,731.05x = 4,007,098.52
5. Step 5: Solve for x
   x = 4,007,098.52/1,731.05
6. Step 6: Final answer
   x = 2,314.84