Finding the Fourth Proportional to 67,605.31, 101,418.90 and 28,166.41

Step by Step Solution

1. Step 1: Write the proportion equation
   67,605.31 : 101,418.90 = 28,166.41 : x
2. Step 2: Convert to fraction form
   67,605.31/101,418.90 = 28,166.41/x
3. Step 3: Cross multiply
   67,605.31x = 101,418.90 × 28,166.41
4. Step 4: Simplify right side
   67,605.31x = 2,856,606,319.15
5. Step 5: Solve for x
   x = 2,856,606,319.15/67,605.31
6. Step 6: Final answer
   x = 42,254.17