Finding the Fourth Proportional to 78,168.96, 117,251.73 and 19,004.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,168.96 : 117,251.73 = 19,004.94 : x
2. Step 2: Convert to fraction form
   78,168.96/117,251.73 = 19,004.94/x
3. Step 3: Cross multiply
   78,168.96x = 117,251.73 × 19,004.94
4. Step 4: Simplify right side
   78,168.96x = 2,228,362,093.55
5. Step 5: Solve for x
   x = 2,228,362,093.55/78,168.96
6. Step 6: Final answer
   x = 28,506.99