Finding the Fourth Proportional to 67,158.06, 92,654.31 and 41,638.05

Step by Step Solution

1. Step 1: Write the proportion equation
   67,158.06 : 92,654.31 = 41,638.05 : x
2. Step 2: Convert to fraction form
   67,158.06/92,654.31 = 41,638.05/x
3. Step 3: Cross multiply
   67,158.06x = 92,654.31 × 41,638.05
4. Step 4: Simplify right side
   67,158.06x = 3,857,944,597.32
5. Step 5: Solve for x
   x = 3,857,944,597.32/67,158.06
6. Step 6: Final answer
   x = 57,445.74