Finding the Fourth Proportional to 1,150,436.67, 1,587,607.59 and 634,179.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,436.67 : 1,587,607.59 = 634,179.48 : x
2. Step 2: Convert to fraction form
   1,150,436.67/1,587,607.59 = 634,179.48/x
3. Step 3: Cross multiply
   1,150,436.67x = 1,587,607.59 × 634,179.48
4. Step 4: Simplify right side
   1,150,436.67x = 1,006,828,155,870.25
5. Step 5: Solve for x
   x = 1,006,828,155,870.25/1,150,436.67
6. Step 6: Final answer
   x = 875,170.43