Finding the Fourth Proportional to 895,767.50, 1,236,159.15 and 493,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   895,767.50 : 1,236,159.15 = 493,359.50 : x
2. Step 2: Convert to fraction form
   895,767.50/1,236,159.15 = 493,359.50/x
3. Step 3: Cross multiply
   895,767.50x = 1,236,159.15 × 493,359.50
4. Step 4: Simplify right side
   895,767.50x = 609,870,860,164.43
5. Step 5: Solve for x
   x = 609,870,860,164.43/895,767.50
6. Step 6: Final answer
   x = 680,836.11