Finding the Fourth Proportional to 72,216.16, 108,341.52 and 36,588.64

Step by Step Solution

1. Step 1: Write the proportion equation
   72,216.16 : 108,341.52 = 36,588.64 : x
2. Step 2: Convert to fraction form
   72,216.16/108,341.52 = 36,588.64/x
3. Step 3: Cross multiply
   72,216.16x = 108,341.52 × 36,588.64
4. Step 4: Simplify right side
   72,216.16x = 3,964,068,872.33
5. Step 5: Solve for x
   x = 3,964,068,872.33/72,216.16
6. Step 6: Final answer
   x = 54,891.71