Finding the Fourth Proportional to 1,144,994.88, 1,580,019.84 and 635,697.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,994.88 : 1,580,019.84 = 635,697.12 : x
2. Step 2: Convert to fraction form
   1,144,994.88/1,580,019.84 = 635,697.12/x
3. Step 3: Cross multiply
   1,144,994.88x = 1,580,019.84 × 635,697.12
4. Step 4: Simplify right side
   1,144,994.88x = 1,004,414,061,830.86
5. Step 5: Solve for x
   x = 1,004,414,061,830.86/1,144,994.88
6. Step 6: Final answer
   x = 877,221.44