Finding the Fourth Proportional to 78,757.72, 118,136.34 and 19,593.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,757.72 : 118,136.34 = 19,593.38 : x
2. Step 2: Convert to fraction form
   78,757.72/118,136.34 = 19,593.38/x
3. Step 3: Cross multiply
   78,757.72x = 118,136.34 × 19,593.38
4. Step 4: Simplify right side
   78,757.72x = 2,314,690,496.77
5. Step 5: Solve for x
   x = 2,314,690,496.77/78,757.72
6. Step 6: Final answer
   x = 29,390.01