Finding the Fourth Proportional to 2,619,382.58, 3,929,074.86 and 1,178,382.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,382.58 : 3,929,074.86 = 1,178,382.78 : x
2. Step 2: Convert to fraction form
   2,619,382.58/3,929,074.86 = 1,178,382.78/x
3. Step 3: Cross multiply
   2,619,382.58x = 3,929,074.86 × 1,178,382.78
4. Step 4: Simplify right side
   2,619,382.58x = 4,629,954,156,354.91
5. Step 5: Solve for x
   x = 4,629,954,156,354.91/2,619,382.58
6. Step 6: Final answer
   x = 1,767,574.62