Finding the Fourth Proportional to 78,524.31, 108,362.43 and 42,714.63

Step by Step Solution

1. Step 1: Write the proportion equation
   78,524.31 : 108,362.43 = 42,714.63 : x
2. Step 2: Convert to fraction form
   78,524.31/108,362.43 = 42,714.63/x
3. Step 3: Cross multiply
   78,524.31x = 108,362.43 × 42,714.63
4. Step 4: Simplify right side
   78,524.31x = 4,628,661,103.35
5. Step 5: Solve for x
   x = 4,628,661,103.35/78,524.31
6. Step 6: Final answer
   x = 58,945.58