Finding the Fourth Proportional to 25,591.96, 38,392.98 and 8,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,591.96 : 38,392.98 = 8,956.72 : x
2. Step 2: Convert to fraction form
   25,591.96/38,392.98 = 8,956.72/x
3. Step 3: Cross multiply
   25,591.96x = 38,392.98 × 8,956.72
4. Step 4: Simplify right side
   25,591.96x = 343,875,171.83
5. Step 5: Solve for x
   x = 343,875,171.83/25,591.96
6. Step 6: Final answer
   x = 13,436.84