Finding the Fourth Proportional to 1,152,026.40, 1,589,793.15 and 635,776.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,026.40 : 1,589,793.15 = 635,776.56 : x
2. Step 2: Convert to fraction form
   1,152,026.40/1,589,793.15 = 635,776.56/x
3. Step 3: Cross multiply
   1,152,026.40x = 1,589,793.15 × 635,776.56
4. Step 4: Simplify right side
   1,152,026.40x = 1,010,753,220,018.56
5. Step 5: Solve for x
   x = 1,010,753,220,018.56/1,152,026.40
6. Step 6: Final answer
   x = 877,369.84