Finding the Fourth Proportional to 22,734.32, 31,363.26 and 13,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,734.32 : 31,363.26 = 13,298.72 : x
2. Step 2: Convert to fraction form
   22,734.32/31,363.26 = 13,298.72/x
3. Step 3: Cross multiply
   22,734.32x = 31,363.26 × 13,298.72
4. Step 4: Simplify right side
   22,734.32x = 417,091,213.03
5. Step 5: Solve for x
   x = 417,091,213.03/22,734.32
6. Step 6: Final answer
   x = 18,346.32