Finding the Fourth Proportional to 2,585,182.74, 3,878,355.57 and 788,247.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,182.74 : 3,878,355.57 = 788,247.86 : x
2. Step 2: Convert to fraction form
   2,585,182.74/3,878,355.57 = 788,247.86/x
3. Step 3: Cross multiply
   2,585,182.74x = 3,878,355.57 × 788,247.86
4. Step 4: Simplify right side
   2,585,182.74x = 3,057,105,456,023.87
5. Step 5: Solve for x
   x = 3,057,105,456,023.87/2,585,182.74
6. Step 6: Final answer
   x = 1,182,549.08