Finding the Fourth Proportional to 895,870.88, 1,236,301.88 and 493,462.88

Step by Step Solution

1. Step 1: Write the proportion equation
   895,870.88 : 1,236,301.88 = 493,462.88 : x
2. Step 2: Convert to fraction form
   895,870.88/1,236,301.88 = 493,462.88/x
3. Step 3: Cross multiply
   895,870.88x = 1,236,301.88 × 493,462.88
4. Step 4: Simplify right side
   895,870.88x = 610,069,077,605.39
5. Step 5: Solve for x
   x = 610,069,077,605.39/895,870.88
6. Step 6: Final answer
   x = 680,978.80