Finding the Fourth Proportional to 71,243.88, 106,863.69 and 29,112

Step by Step Solution

1. Step 1: Write the proportion equation
   71,243.88 : 106,863.69 = 29,112 : x
2. Step 2: Convert to fraction form
   71,243.88/106,863.69 = 29,112/x
3. Step 3: Cross multiply
   71,243.88x = 106,863.69 × 29,112
4. Step 4: Simplify right side
   71,243.88x = 3,111,015,743.28
5. Step 5: Solve for x
   x = 3,111,015,743.28/71,243.88
6. Step 6: Final answer
   x = 43,667.13