Finding the Fourth Proportional to 38,158.72, 52,654.02 and 21,162.76

Step by Step Solution

1. Step 1: Write the proportion equation
   38,158.72 : 52,654.02 = 21,162.76 : x
2. Step 2: Convert to fraction form
   38,158.72/52,654.02 = 21,162.76/x
3. Step 3: Cross multiply
   38,158.72x = 52,654.02 × 21,162.76
4. Step 4: Simplify right side
   38,158.72x = 1,114,304,388.30
5. Step 5: Solve for x
   x = 1,114,304,388.30/38,158.72
6. Step 6: Final answer
   x = 29,201.83