Finding the Fourth Proportional to 1,150,402.82, 1,587,483.23 and 634,128.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,402.82 : 1,587,483.23 = 634,128.26 : x
2. Step 2: Convert to fraction form
   1,150,402.82/1,587,483.23 = 634,128.26/x
3. Step 3: Cross multiply
   1,150,402.82x = 1,587,483.23 × 634,128.26
4. Step 4: Simplify right side
   1,150,402.82x = 1,006,667,967,311.02
5. Step 5: Solve for x
   x = 1,006,667,967,311.02/1,150,402.82
6. Step 6: Final answer
   x = 875,056.94