Finding the Fourth Proportional to 1,144,185.21, 1,578,975.57 and 634,969.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,185.21 : 1,578,975.57 = 634,969.53 : x
2. Step 2: Convert to fraction form
   1,144,185.21/1,578,975.57 = 634,969.53/x
3. Step 3: Cross multiply
   1,144,185.21x = 1,578,975.57 × 634,969.53
4. Step 4: Simplify right side
   1,144,185.21x = 1,002,601,375,564.38
5. Step 5: Solve for x
   x = 1,002,601,375,564.38/1,144,185.21
6. Step 6: Final answer
   x = 876,257.94