Finding the Fourth Proportional to 78,182.82, 117,273.25 and 19,018.53

Step by Step Solution

1. Step 1: Write the proportion equation
   78,182.82 : 117,273.25 = 19,018.53 : x
2. Step 2: Convert to fraction form
   78,182.82/117,273.25 = 19,018.53/x
3. Step 3: Cross multiply
   78,182.82x = 117,273.25 × 19,018.53
4. Step 4: Simplify right side
   78,182.82x = 2,230,364,847.10
5. Step 5: Solve for x
   x = 2,230,364,847.10/78,182.82
6. Step 6: Final answer
   x = 28,527.56