Finding the Fourth Proportional to 3,138,065, 4,705,268.52 and 1,216,731.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,138,065 : 4,705,268.52 = 1,216,731.59 : x
2. Step 2: Convert to fraction form
   3,138,065/4,705,268.52 = 1,216,731.59/x
3. Step 3: Cross multiply
   3,138,065x = 4,705,268.52 × 1,216,731.59
4. Step 4: Simplify right side
   3,138,065x = 5,725,048,847,716.55
5. Step 5: Solve for x
   x = 5,725,048,847,716.55/3,138,065
6. Step 6: Final answer
   x = 1,824,388.23