Finding the Fourth Proportional to 215,010.31, 322,604.31 and 108,337.25

Step by Step Solution

1. Step 1: Write the proportion equation
   215,010.31 : 322,604.31 = 108,337.25 : x
2. Step 2: Convert to fraction form
   215,010.31/322,604.31 = 108,337.25/x
3. Step 3: Cross multiply
   215,010.31x = 322,604.31 × 108,337.25
4. Step 4: Simplify right side
   215,010.31x = 34,950,063,783.55
5. Step 5: Solve for x
   x = 34,950,063,783.55/215,010.31
6. Step 6: Final answer
   x = 162,550.64