Finding the Fourth Proportional to 67,610.40, 101,498.80 and 42,650.40

Step by Step Solution

1. Step 1: Write the proportion equation
   67,610.40 : 101,498.80 = 42,650.40 : x
2. Step 2: Convert to fraction form
   67,610.40/101,498.80 = 42,650.40/x
3. Step 3: Cross multiply
   67,610.40x = 101,498.80 × 42,650.40
4. Step 4: Simplify right side
   67,610.40x = 4,328,964,419.52
5. Step 5: Solve for x
   x = 4,328,964,419.52/67,610.40
6. Step 6: Final answer
   x = 64,028.08