Finding the Fourth Proportional to 354,667.75, 532,242.60 and 144,343.96

Step by Step Solution

1. Step 1: Write the proportion equation
   354,667.75 : 532,242.60 = 144,343.96 : x
2. Step 2: Convert to fraction form
   354,667.75/532,242.60 = 144,343.96/x
3. Step 3: Cross multiply
   354,667.75x = 532,242.60 × 144,343.96
4. Step 4: Simplify right side
   354,667.75x = 76,826,002,692.80
5. Step 5: Solve for x
   x = 76,826,002,692.80/354,667.75
6. Step 6: Final answer
   x = 216,614.01