Finding the Fourth Proportional to 181,019.79, 271,728.33 and 143,818.99

Step by Step Solution

1. Step 1: Write the proportion equation
   181,019.79 : 271,728.33 = 143,818.99 : x
2. Step 2: Convert to fraction form
   181,019.79/271,728.33 = 143,818.99/x
3. Step 3: Cross multiply
   181,019.79x = 271,728.33 × 143,818.99
4. Step 4: Simplify right side
   181,019.79x = 39,079,693,255.89
5. Step 5: Solve for x
   x = 39,079,693,255.89/181,019.79
6. Step 6: Final answer
   x = 215,886.30