Finding the Fourth Proportional to 67,691.31, 101,630.13 and 34,433.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,691.31 : 101,630.13 = 34,433.88 : x
2. Step 2: Convert to fraction form
   67,691.31/101,630.13 = 34,433.88/x
3. Step 3: Cross multiply
   67,691.31x = 101,630.13 × 34,433.88
4. Step 4: Simplify right side
   67,691.31x = 3,499,519,700.80
5. Step 5: Solve for x
   x = 3,499,519,700.80/67,691.31
6. Step 6: Final answer
   x = 51,698.21