Finding the Fourth Proportional to 34,778.72, 47,994.72 and 18,863.04

Step by Step Solution

1. Step 1: Write the proportion equation
   34,778.72 : 47,994.72 = 18,863.04 : x
2. Step 2: Convert to fraction form
   34,778.72/47,994.72 = 18,863.04/x
3. Step 3: Cross multiply
   34,778.72x = 47,994.72 × 18,863.04
4. Step 4: Simplify right side
   34,778.72x = 905,326,323.15
5. Step 5: Solve for x
   x = 905,326,323.15/34,778.72
6. Step 6: Final answer
   x = 26,031.04