Finding the Fourth Proportional to 78,773.23, 108,669.54 and 53,288.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,773.23 : 108,669.54 = 53,288.52 : x
2. Step 2: Convert to fraction form
   78,773.23/108,669.54 = 53,288.52/x
3. Step 3: Cross multiply
   78,773.23x = 108,669.54 × 53,288.52
4. Step 4: Simplify right side
   78,773.23x = 5,790,838,955.68
5. Step 5: Solve for x
   x = 5,790,838,955.68/78,773.23
6. Step 6: Final answer
   x = 73,512.78