Finding the Fourth Proportional to 1,152,064.90, 1,589,938.96 and 635,919.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,064.90 : 1,589,938.96 = 635,919.94 : x
2. Step 2: Convert to fraction form
   1,152,064.90/1,589,938.96 = 635,919.94/x
3. Step 3: Cross multiply
   1,152,064.90x = 1,589,938.96 × 635,919.94
4. Step 4: Simplify right side
   1,152,064.90x = 1,011,073,888,046.86
5. Step 5: Solve for x
   x = 1,011,073,888,046.86/1,152,064.90
6. Step 6: Final answer
   x = 877,618.86