Finding the Fourth Proportional to 1,404.54, 2,105.67 and 1,250.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.54 : 2,105.67 = 1,250.77 : x
2. Step 2: Convert to fraction form
   1,404.54/2,105.67 = 1,250.77/x
3. Step 3: Cross multiply
   1,404.54x = 2,105.67 × 1,250.77
4. Step 4: Simplify right side
   1,404.54x = 2,633,702.80
5. Step 5: Solve for x
   x = 2,633,702.80/1,404.54
6. Step 6: Final answer
   x = 1,875.14