Finding the Fourth Proportional to 1,144,008.54, 1,578,710.79 and 634,699.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,008.54 : 1,578,710.79 = 634,699.98 : x
2. Step 2: Convert to fraction form
   1,144,008.54/1,578,710.79 = 634,699.98/x
3. Step 3: Cross multiply
   1,144,008.54x = 1,578,710.79 × 634,699.98
4. Step 4: Simplify right side
   1,144,008.54x = 1,002,007,706,838.78
5. Step 5: Solve for x
   x = 1,002,007,706,838.78/1,144,008.54
6. Step 6: Final answer
   x = 875,874.32