Finding the Fourth Proportional to 67,659.90, 101,514.15 and 28,229.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,659.90 : 101,514.15 = 28,229.10 : x
2. Step 2: Convert to fraction form
   67,659.90/101,514.15 = 28,229.10/x
3. Step 3: Cross multiply
   67,659.90x = 101,514.15 × 28,229.10
4. Step 4: Simplify right side
   67,659.90x = 2,865,653,091.77
5. Step 5: Solve for x
   x = 2,865,653,091.77/67,659.90
6. Step 6: Final answer
   x = 42,353.79