Finding the Fourth Proportional to 72,578.45, 108,866.63 and 35,141.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,578.45 : 108,866.63 = 35,141.81 : x
2. Step 2: Convert to fraction form
   72,578.45/108,866.63 = 35,141.81/x
3. Step 3: Cross multiply
   72,578.45x = 108,866.63 × 35,141.81
4. Step 4: Simplify right side
   72,578.45x = 3,825,769,970.32
5. Step 5: Solve for x
   x = 3,825,769,970.32/72,578.45
6. Step 6: Final answer
   x = 52,712.20