Finding the Fourth Proportional to 851,411.86, 1,175,153.07 and 511,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   851,411.86 : 1,175,153.07 = 511,814.50 : x
2. Step 2: Convert to fraction form
   851,411.86/1,175,153.07 = 511,814.50/x
3. Step 3: Cross multiply
   851,411.86x = 1,175,153.07 × 511,814.50
4. Step 4: Simplify right side
   851,411.86x = 601,460,380,945.52
5. Step 5: Solve for x
   x = 601,460,380,945.52/851,411.86
6. Step 6: Final answer
   x = 706,427.06