Finding the Fourth Proportional to 78,532.22, 117,797.79 and 31,784.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,532.22 : 117,797.79 = 31,784.42 : x
2. Step 2: Convert to fraction form
   78,532.22/117,797.79 = 31,784.42/x
3. Step 3: Cross multiply
   78,532.22x = 117,797.79 × 31,784.42
4. Step 4: Simplify right side
   78,532.22x = 3,744,134,018.75
5. Step 5: Solve for x
   x = 3,744,134,018.75/78,532.22
6. Step 6: Final answer
   x = 47,676.41