Finding the Fourth Proportional to 143,958.34, 216,003.12 and 73,886.86

Step by Step Solution

1. Step 1: Write the proportion equation
   143,958.34 : 216,003.12 = 73,886.86 : x
2. Step 2: Convert to fraction form
   143,958.34/216,003.12 = 73,886.86/x
3. Step 3: Cross multiply
   143,958.34x = 216,003.12 × 73,886.86
4. Step 4: Simplify right side
   143,958.34x = 15,959,792,287.00
5. Step 5: Solve for x
   x = 15,959,792,287.00/143,958.34
6. Step 6: Final answer
   x = 110,863.96