Finding the Fourth Proportional to 2,131.84, 2,939.52 and 1,737.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.84 : 2,939.52 = 1,737.64 : x
2. Step 2: Convert to fraction form
   2,131.84/2,939.52 = 1,737.64/x
3. Step 3: Cross multiply
   2,131.84x = 2,939.52 × 1,737.64
4. Step 4: Simplify right side
   2,131.84x = 5,107,827.53
5. Step 5: Solve for x
   x = 5,107,827.53/2,131.84
6. Step 6: Final answer
   x = 2,395.97