Finding the Fourth Proportional to 2,572.59, 3,860.32 and 1,402.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.59 : 3,860.32 = 1,402.67 : x
2. Step 2: Convert to fraction form
   2,572.59/3,860.32 = 1,402.67/x
3. Step 3: Cross multiply
   2,572.59x = 3,860.32 × 1,402.67
4. Step 4: Simplify right side
   2,572.59x = 5,414,755.05
5. Step 5: Solve for x
   x = 5,414,755.05/2,572.59
6. Step 6: Final answer
   x = 2,104.79