Finding the Fourth Proportional to 895,789, 1,236,188.82 and 493,381

Step by Step Solution

1. Step 1: Write the proportion equation
   895,789 : 1,236,188.82 = 493,381 : x
2. Step 2: Convert to fraction form
   895,789/1,236,188.82 = 493,381/x
3. Step 3: Cross multiply
   895,789x = 1,236,188.82 × 493,381
4. Step 4: Simplify right side
   895,789x = 609,912,076,200.42
5. Step 5: Solve for x
   x = 609,912,076,200.42/895,789
6. Step 6: Final answer
   x = 680,865.78