Finding the Fourth Proportional to 1,675.74, 2,516.40 and 1,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675.74 : 2,516.40 = 1,404.12 : x
2. Step 2: Convert to fraction form
   1,675.74/2,516.40 = 1,404.12/x
3. Step 3: Cross multiply
   1,675.74x = 2,516.40 × 1,404.12
4. Step 4: Simplify right side
   1,675.74x = 3,533,327.57
5. Step 5: Solve for x
   x = 3,533,327.57/1,675.74
6. Step 6: Final answer
   x = 2,108.52