Finding the Fourth Proportional to 67,641.82, 93,363.43 and 38,964.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,641.82 : 93,363.43 = 38,964.78 : x
2. Step 2: Convert to fraction form
   67,641.82/93,363.43 = 38,964.78/x
3. Step 3: Cross multiply
   67,641.82x = 93,363.43 × 38,964.78
4. Step 4: Simplify right side
   67,641.82x = 3,637,885,510.00
5. Step 5: Solve for x
   x = 3,637,885,510.00/67,641.82
6. Step 6: Final answer
   x = 53,781.60