Finding the Fourth Proportional to 67,542.55, 101,374.72 and 35,978.97

Step by Step Solution

1. Step 1: Write the proportion equation
   67,542.55 : 101,374.72 = 35,978.97 : x
2. Step 2: Convert to fraction form
   67,542.55/101,374.72 = 35,978.97/x
3. Step 3: Cross multiply
   67,542.55x = 101,374.72 × 35,978.97
4. Step 4: Simplify right side
   67,542.55x = 3,647,358,009.64
5. Step 5: Solve for x
   x = 3,647,358,009.64/67,542.55
6. Step 6: Final answer
   x = 54,000.89