Finding the Fourth Proportional to 1,791,429.12, 2,686,210.56 and 668,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791,429.12 : 2,686,210.56 = 668,574.72 : x
2. Step 2: Convert to fraction form
   1,791,429.12/2,686,210.56 = 668,574.72/x
3. Step 3: Cross multiply
   1,791,429.12x = 2,686,210.56 × 668,574.72
4. Step 4: Simplify right side
   1,791,429.12x = 1,795,932,473,013.04
5. Step 5: Solve for x
   x = 1,795,932,473,013.04/1,791,429.12
6. Step 6: Final answer
   x = 1,002,513.83