Finding the Fourth Proportional to 1,480,895.32, 2,221,426.05 and 415,854.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480,895.32 : 2,221,426.05 = 415,854.31 : x
2. Step 2: Convert to fraction form
   1,480,895.32/2,221,426.05 = 415,854.31/x
3. Step 3: Cross multiply
   1,480,895.32x = 2,221,426.05 × 415,854.31
4. Step 4: Simplify right side
   1,480,895.32x = 923,789,597,238.78
5. Step 5: Solve for x
   x = 923,789,597,238.78/1,480,895.32
6. Step 6: Final answer
   x = 623,804.79