Finding the Fourth Proportional to 2,115,333.12, 3,174,081.81 and 1,007,443.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,333.12 : 3,174,081.81 = 1,007,443.57 : x
2. Step 2: Convert to fraction form
   2,115,333.12/3,174,081.81 = 1,007,443.57/x
3. Step 3: Cross multiply
   2,115,333.12x = 3,174,081.81 × 1,007,443.57
4. Step 4: Simplify right side
   2,115,333.12x = 3,197,708,310,138.46
5. Step 5: Solve for x
   x = 3,197,708,310,138.46/2,115,333.12
6. Step 6: Final answer
   x = 1,511,680.73