Finding the Fourth Proportional to 78,565.82, 117,834.54 and 33,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,565.82 : 117,834.54 = 33,612.50 : x
2. Step 2: Convert to fraction form
   78,565.82/117,834.54 = 33,612.50/x
3. Step 3: Cross multiply
   78,565.82x = 117,834.54 × 33,612.50
4. Step 4: Simplify right side
   78,565.82x = 3,960,713,475.75
5. Step 5: Solve for x
   x = 3,960,713,475.75/78,565.82
6. Step 6: Final answer
   x = 50,412.68