Finding the Fourth Proportional to 895,768, 1,236,159.84 and 493,360

Step by Step Solution

1. Step 1: Write the proportion equation
   895,768 : 1,236,159.84 = 493,360 : x
2. Step 2: Convert to fraction form
   895,768/1,236,159.84 = 493,360/x
3. Step 3: Cross multiply
   895,768x = 1,236,159.84 × 493,360
4. Step 4: Simplify right side
   895,768x = 609,871,818,662.40
5. Step 5: Solve for x
   x = 609,871,818,662.40/895,768
6. Step 6: Final answer
   x = 680,836.80