Finding the Fourth Proportional to 104,662.72, 156,994.12 and 25,778.48

Step by Step Solution

1. Step 1: Write the proportion equation
   104,662.72 : 156,994.12 = 25,778.48 : x
2. Step 2: Convert to fraction form
   104,662.72/156,994.12 = 25,778.48/x
3. Step 3: Cross multiply
   104,662.72x = 156,994.12 × 25,778.48
4. Step 4: Simplify right side
   104,662.72x = 4,047,069,782.54
5. Step 5: Solve for x
   x = 4,047,069,782.54/104,662.72
6. Step 6: Final answer
   x = 38,667.73