Finding the Fourth Proportional to 143,304.72, 214,957.59 and 43,465.78

Step by Step Solution

1. Step 1: Write the proportion equation
   143,304.72 : 214,957.59 = 43,465.78 : x
2. Step 2: Convert to fraction form
   143,304.72/214,957.59 = 43,465.78/x
3. Step 3: Cross multiply
   143,304.72x = 214,957.59 × 43,465.78
4. Step 4: Simplify right side
   143,304.72x = 9,343,299,316.27
5. Step 5: Solve for x
   x = 9,343,299,316.27/143,304.72
6. Step 6: Final answer
   x = 65,198.82