Finding the Fourth Proportional to 2,124, 2,931.26 and 1,192.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124 : 2,931.26 = 1,192.50 : x
2. Step 2: Convert to fraction form
   2,124/2,931.26 = 1,192.50/x
3. Step 3: Cross multiply
   2,124x = 2,931.26 × 1,192.50
4. Step 4: Simplify right side
   2,124x = 3,495,521.59
5. Step 5: Solve for x
   x = 3,495,521.59/2,124
6. Step 6: Final answer
   x = 1,645.73