Finding the Fourth Proportional to 67,254.09, 100,993.61 and 42,012.33

Step by Step Solution

1. Step 1: Write the proportion equation
   67,254.09 : 100,993.61 = 42,012.33 : x
2. Step 2: Convert to fraction form
   67,254.09/100,993.61 = 42,012.33/x
3. Step 3: Cross multiply
   67,254.09x = 100,993.61 × 42,012.33
4. Step 4: Simplify right side
   67,254.09x = 4,242,976,661.15
5. Step 5: Solve for x
   x = 4,242,976,661.15/67,254.09
6. Step 6: Final answer
   x = 63,088.75