Finding the Fourth Proportional to 78,761.72, 118,142.34 and 19,597.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,761.72 : 118,142.34 = 19,597.38 : x
2. Step 2: Convert to fraction form
   78,761.72/118,142.34 = 19,597.38/x
3. Step 3: Cross multiply
   78,761.72x = 118,142.34 × 19,597.38
4. Step 4: Simplify right side
   78,761.72x = 2,315,280,331.07
5. Step 5: Solve for x
   x = 2,315,280,331.07/78,761.72
6. Step 6: Final answer
   x = 29,396.01