Finding the Fourth Proportional to 72,268.16, 108,261.98 and 53,258.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,268.16 : 108,261.98 = 53,258.27 : x
2. Step 2: Convert to fraction form
   72,268.16/108,261.98 = 53,258.27/x
3. Step 3: Cross multiply
   72,268.16x = 108,261.98 × 53,258.27
4. Step 4: Simplify right side
   72,268.16x = 5,765,845,495.28
5. Step 5: Solve for x
   x = 5,765,845,495.28/72,268.16
6. Step 6: Final answer
   x = 79,784.04