Finding the Fourth Proportional to 78,931.16, 118,395.82 and 22,769.40

Step by Step Solution

1. Step 1: Write the proportion equation
   78,931.16 : 118,395.82 = 22,769.40 : x
2. Step 2: Convert to fraction form
   78,931.16/118,395.82 = 22,769.40/x
3. Step 3: Cross multiply
   78,931.16x = 118,395.82 × 22,769.40
4. Step 4: Simplify right side
   78,931.16x = 2,695,801,783.91
5. Step 5: Solve for x
   x = 2,695,801,783.91/78,931.16
6. Step 6: Final answer
   x = 34,153.83