Finding the Fourth Proportional to 143,478.54, 197,549.69 and 121,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   143,478.54 : 197,549.69 = 121,922.82 : x
2. Step 2: Convert to fraction form
   143,478.54/197,549.69 = 121,922.82/x
3. Step 3: Cross multiply
   143,478.54x = 197,549.69 × 121,922.82
4. Step 4: Simplify right side
   143,478.54x = 24,085,814,685.31
5. Step 5: Solve for x
   x = 24,085,814,685.31/143,478.54
6. Step 6: Final answer
   x = 167,870.50