Finding the Fourth Proportional to 67,265.50, 100,649.14 and 42,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,265.50 : 100,649.14 = 42,105.10 : x
2. Step 2: Convert to fraction form
   67,265.50/100,649.14 = 42,105.10/x
3. Step 3: Cross multiply
   67,265.50x = 100,649.14 × 42,105.10
4. Step 4: Simplify right side
   67,265.50x = 4,237,842,104.61
5. Step 5: Solve for x
   x = 4,237,842,104.61/67,265.50
6. Step 6: Final answer
   x = 63,001.72