Finding the Fourth Proportional to 3,867.10, 5,803.72 and 1,402.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867.10 : 5,803.72 = 1,402.61 : x
2. Step 2: Convert to fraction form
   3,867.10/5,803.72 = 1,402.61/x
3. Step 3: Cross multiply
   3,867.10x = 5,803.72 × 1,402.61
4. Step 4: Simplify right side
   3,867.10x = 8,140,323.18
5. Step 5: Solve for x
   x = 8,140,323.18/3,867.10
6. Step 6: Final answer
   x = 2,105.02