Finding the Fourth Proportional to 1,150,478.59, 1,587,665.24 and 634,221.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,478.59 : 1,587,665.24 = 634,221.14 : x
2. Step 2: Convert to fraction form
   1,150,478.59/1,587,665.24 = 634,221.14/x
3. Step 3: Cross multiply
   1,150,478.59x = 1,587,665.24 × 634,221.14
4. Step 4: Simplify right side
   1,150,478.59x = 1,006,930,858,451.17
5. Step 5: Solve for x
   x = 1,006,930,858,451.17/1,150,478.59
6. Step 6: Final answer
   x = 875,227.81