Finding the Fourth Proportional to 414,111.82, 621,181.53 and 114,567.31

Step by Step Solution

1. Step 1: Write the proportion equation
   414,111.82 : 621,181.53 = 114,567.31 : x
2. Step 2: Convert to fraction form
   414,111.82/621,181.53 = 114,567.31/x
3. Step 3: Cross multiply
   414,111.82x = 621,181.53 × 114,567.31
4. Step 4: Simplify right side
   414,111.82x = 71,167,098,012.48
5. Step 5: Solve for x
   x = 71,167,098,012.48/414,111.82
6. Step 6: Final answer
   x = 171,854.79