Finding the Fourth Proportional to 1,761,464.10, 2,642,196.15 and 431,768.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761,464.10 : 2,642,196.15 = 431,768.10 : x
2. Step 2: Convert to fraction form
   1,761,464.10/2,642,196.15 = 431,768.10/x
3. Step 3: Cross multiply
   1,761,464.10x = 2,642,196.15 × 431,768.10
4. Step 4: Simplify right side
   1,761,464.10x = 1,140,816,011,512.82
5. Step 5: Solve for x
   x = 1,140,816,011,512.82/1,761,464.10
6. Step 6: Final answer
   x = 647,652.15