Finding the Fourth Proportional to 895,404.90, 1,344,144.15 and 540,819.30

Step by Step Solution

1. Step 1: Write the proportion equation
   895,404.90 : 1,344,144.15 = 540,819.30 : x
2. Step 2: Convert to fraction form
   895,404.90/1,344,144.15 = 540,819.30/x
3. Step 3: Cross multiply
   895,404.90x = 1,344,144.15 × 540,819.30
4. Step 4: Simplify right side
   895,404.90x = 726,939,098,302.10
5. Step 5: Solve for x
   x = 726,939,098,302.10/895,404.90
6. Step 6: Final answer
   x = 811,855.17