Finding the Fourth Proportional to 814,026.98, 1,123,426.24 and 451,567.61

Step by Step Solution

1. Step 1: Write the proportion equation
   814,026.98 : 1,123,426.24 = 451,567.61 : x
2. Step 2: Convert to fraction form
   814,026.98/1,123,426.24 = 451,567.61/x
3. Step 3: Cross multiply
   814,026.98x = 1,123,426.24 × 451,567.61
4. Step 4: Simplify right side
   814,026.98x = 507,302,895,462.04
5. Step 5: Solve for x
   x = 507,302,895,462.04/814,026.98
6. Step 6: Final answer
   x = 623,201.58