Finding the Fourth Proportional to 78,682.96, 118,022.82 and 19,517.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,682.96 : 118,022.82 = 19,517.95 : x
2. Step 2: Convert to fraction form
   78,682.96/118,022.82 = 19,517.95/x
3. Step 3: Cross multiply
   78,682.96x = 118,022.82 × 19,517.95
4. Step 4: Simplify right side
   78,682.96x = 2,303,563,499.62
5. Step 5: Solve for x
   x = 2,303,563,499.62/78,682.96
6. Step 6: Final answer
   x = 29,276.52