Finding the Fourth Proportional to 2,379,111.20, 3,283,176.02 and 1,291,382.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379,111.20 : 3,283,176.02 = 1,291,382.60 : x
2. Step 2: Convert to fraction form
   2,379,111.20/3,283,176.02 = 1,291,382.60/x
3. Step 3: Cross multiply
   2,379,111.20x = 3,283,176.02 × 1,291,382.60
4. Step 4: Simplify right side
   2,379,111.20x = 4,239,836,384,965.25
5. Step 5: Solve for x
   x = 4,239,836,384,965.25/2,379,111.20
6. Step 6: Final answer
   x = 1,782,109.38