Finding the Fourth Proportional to 2,580.97, 3,561.72 and 1,402.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.97 : 3,561.72 = 1,402.02 : x
2. Step 2: Convert to fraction form
   2,580.97/3,561.72 = 1,402.02/x
3. Step 3: Cross multiply
   2,580.97x = 3,561.72 × 1,402.02
4. Step 4: Simplify right side
   2,580.97x = 4,993,602.67
5. Step 5: Solve for x
   x = 4,993,602.67/2,580.97
6. Step 6: Final answer
   x = 1,934.78