Finding the Fourth Proportional to 1,144,013.62, 1,578,739 and 634,714.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,013.62 : 1,578,739 = 634,714.78 : x
2. Step 2: Convert to fraction form
   1,144,013.62/1,578,739 = 634,714.78/x
3. Step 3: Cross multiply
   1,144,013.62x = 1,578,739 × 634,714.78
4. Step 4: Simplify right side
   1,144,013.62x = 1,002,048,977,062.42
5. Step 5: Solve for x
   x = 1,002,048,977,062.42/1,144,013.62
6. Step 6: Final answer
   x = 875,906.51