Finding the Fourth Proportional to 40,870.50, 60,948.09 and 40,496.81

Step by Step Solution

1. Step 1: Write the proportion equation
   40,870.50 : 60,948.09 = 40,496.81 : x
2. Step 2: Convert to fraction form
   40,870.50/60,948.09 = 40,496.81/x
3. Step 3: Cross multiply
   40,870.50x = 60,948.09 × 40,496.81
4. Step 4: Simplify right side
   40,870.50x = 2,468,203,220.59
5. Step 5: Solve for x
   x = 2,468,203,220.59/40,870.50
6. Step 6: Final answer
   x = 60,390.83