Finding the Fourth Proportional to 78,238.37, 117,372.15 and 35,546.79

Step by Step Solution

1. Step 1: Write the proportion equation
   78,238.37 : 117,372.15 = 35,546.79 : x
2. Step 2: Convert to fraction form
   78,238.37/117,372.15 = 35,546.79/x
3. Step 3: Cross multiply
   78,238.37x = 117,372.15 × 35,546.79
4. Step 4: Simplify right side
   78,238.37x = 4,172,203,167.90
5. Step 5: Solve for x
   x = 4,172,203,167.90/78,238.37
6. Step 6: Final answer
   x = 53,326.82