Finding the Fourth Proportional to 1,875.29, 2,586.98 and 1,212.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.29 : 2,586.98 = 1,212.71 : x
2. Step 2: Convert to fraction form
   1,875.29/2,586.98 = 1,212.71/x
3. Step 3: Cross multiply
   1,875.29x = 2,586.98 × 1,212.71
4. Step 4: Simplify right side
   1,875.29x = 3,137,256.52
5. Step 5: Solve for x
   x = 3,137,256.52/1,875.29
6. Step 6: Final answer
   x = 1,672.94