Finding the Fourth Proportional to 895,550, 1,235,859 and 493,142

Step by Step Solution

1. Step 1: Write the proportion equation
   895,550 : 1,235,859 = 493,142 : x
2. Step 2: Convert to fraction form
   895,550/1,235,859 = 493,142/x
3. Step 3: Cross multiply
   895,550x = 1,235,859 × 493,142
4. Step 4: Simplify right side
   895,550x = 609,453,978,978
5. Step 5: Solve for x
   x = 609,453,978,978/895,550
6. Step 6: Final answer
   x = 680,535.96