Finding the Fourth Proportional to 414,471.18, 621,706.72 and 114,951.76

Step by Step Solution

1. Step 1: Write the proportion equation
   414,471.18 : 621,706.72 = 114,951.76 : x
2. Step 2: Convert to fraction form
   414,471.18/621,706.72 = 114,951.76/x
3. Step 3: Cross multiply
   414,471.18x = 621,706.72 × 114,951.76
4. Step 4: Simplify right side
   414,471.18x = 71,466,281,667.83
5. Step 5: Solve for x
   x = 71,466,281,667.83/414,471.18
6. Step 6: Final answer
   x = 172,427.63