Finding the Fourth Proportional to 851,422.86, 1,175,168.25 and 511,825.50

Step by Step Solution

1. Step 1: Write the proportion equation
   851,422.86 : 1,175,168.25 = 511,825.50 : x
2. Step 2: Convert to fraction form
   851,422.86/1,175,168.25 = 511,825.50/x
3. Step 3: Cross multiply
   851,422.86x = 1,175,168.25 × 511,825.50
4. Step 4: Simplify right side
   851,422.86x = 601,481,077,140.38
5. Step 5: Solve for x
   x = 601,481,077,140.38/851,422.86
6. Step 6: Final answer
   x = 706,442.25