Finding the Fourth Proportional to 78,466.42, 108,248.69 and 52,279.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,466.42 : 108,248.69 = 52,279.52 : x
2. Step 2: Convert to fraction form
   78,466.42/108,248.69 = 52,279.52/x
3. Step 3: Cross multiply
   78,466.42x = 108,248.69 × 52,279.52
4. Step 4: Simplify right side
   78,466.42x = 5,659,189,292.43
5. Step 5: Solve for x
   x = 5,659,189,292.43/78,466.42
6. Step 6: Final answer
   x = 72,122.44