Finding the Fourth Proportional to 78,524.52, 117,824.56 and 39,085.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,524.52 : 117,824.56 = 39,085.08 : x
2. Step 2: Convert to fraction form
   78,524.52/117,824.56 = 39,085.08/x
3. Step 3: Cross multiply
   78,524.52x = 117,824.56 × 39,085.08
4. Step 4: Simplify right side
   78,524.52x = 4,605,182,353.56
5. Step 5: Solve for x
   x = 4,605,182,353.56/78,524.52
6. Step 6: Final answer
   x = 58,646.42