Finding the Fourth Proportional to 895,788.38, 1,236,187.98 and 493,380.38

Step by Step Solution

1. Step 1: Write the proportion equation
   895,788.38 : 1,236,187.98 = 493,380.38 : x
2. Step 2: Convert to fraction form
   895,788.38/1,236,187.98 = 493,380.38/x
3. Step 3: Cross multiply
   895,788.38x = 1,236,187.98 × 493,380.38
4. Step 4: Simplify right side
   895,788.38x = 609,910,889,142.89
5. Step 5: Solve for x
   x = 609,910,889,142.89/895,788.38
6. Step 6: Final answer
   x = 680,864.93