Finding the Fourth Proportional to 2,381,445.90, 3,286,382.22 and 1,293,708.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381,445.90 : 3,286,382.22 = 1,293,708.78 : x
2. Step 2: Convert to fraction form
   2,381,445.90/3,286,382.22 = 1,293,708.78/x
3. Step 3: Cross multiply
   2,381,445.90x = 3,286,382.22 × 1,293,708.78
4. Step 4: Simplify right side
   2,381,445.90x = 4,251,621,532,449.89
5. Step 5: Solve for x
   x = 4,251,621,532,449.89/2,381,445.90
6. Step 6: Final answer
   x = 1,785,310.99