Finding the Fourth Proportional to 22,926, 34,398.72 and 12,383.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,926 : 34,398.72 = 12,383.58 : x
2. Step 2: Convert to fraction form
   22,926/34,398.72 = 12,383.58/x
3. Step 3: Cross multiply
   22,926x = 34,398.72 × 12,383.58
4. Step 4: Simplify right side
   22,926x = 425,979,301.02
5. Step 5: Solve for x
   x = 425,979,301.02/22,926
6. Step 6: Final answer
   x = 18,580.62