Finding the Fourth Proportional to 67,834.56, 101,726.28 and 28,394.40

Step by Step Solution

1. Step 1: Write the proportion equation
   67,834.56 : 101,726.28 = 28,394.40 : x
2. Step 2: Convert to fraction form
   67,834.56/101,726.28 = 28,394.40/x
3. Step 3: Cross multiply
   67,834.56x = 101,726.28 × 28,394.40
4. Step 4: Simplify right side
   67,834.56x = 2,888,456,684.83
5. Step 5: Solve for x
   x = 2,888,456,684.83/67,834.56
6. Step 6: Final answer
   x = 42,580.90