Finding the Fourth Proportional to 851,410.86, 1,175,151.69 and 511,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   851,410.86 : 1,175,151.69 = 511,813.50 : x
2. Step 2: Convert to fraction form
   851,410.86/1,175,151.69 = 511,813.50/x
3. Step 3: Cross multiply
   851,410.86x = 1,175,151.69 × 511,813.50
4. Step 4: Simplify right side
   851,410.86x = 601,458,499,489.82
5. Step 5: Solve for x
   x = 601,458,499,489.82/851,410.86
6. Step 6: Final answer
   x = 706,425.68