Finding the Fourth Proportional to 1,625.88, 2,237.04 and 1,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625.88 : 2,237.04 = 1,404.12 : x
2. Step 2: Convert to fraction form
   1,625.88/2,237.04 = 1,404.12/x
3. Step 3: Cross multiply
   1,625.88x = 2,237.04 × 1,404.12
4. Step 4: Simplify right side
   1,625.88x = 3,141,072.60
5. Step 5: Solve for x
   x = 3,141,072.60/1,625.88
6. Step 6: Final answer
   x = 1,931.92