Finding the Fourth Proportional to 414,388.83, 621,521.71 and 114,838.18

Step by Step Solution

1. Step 1: Write the proportion equation
   414,388.83 : 621,521.71 = 114,838.18 : x
2. Step 2: Convert to fraction form
   414,388.83/621,521.71 = 114,838.18/x
3. Step 3: Cross multiply
   414,388.83x = 621,521.71 × 114,838.18
4. Step 4: Simplify right side
   414,388.83x = 71,374,422,006.89
5. Step 5: Solve for x
   x = 71,374,422,006.89/414,388.83
6. Step 6: Final answer
   x = 172,240.22