Finding the Fourth Proportional to 38,270.72, 52,813.56 and 21,274.43

Step by Step Solution

1. Step 1: Write the proportion equation
   38,270.72 : 52,813.56 = 21,274.43 : x
2. Step 2: Convert to fraction form
   38,270.72/52,813.56 = 21,274.43/x
3. Step 3: Cross multiply
   38,270.72x = 52,813.56 × 21,274.43
4. Step 4: Simplify right side
   38,270.72x = 1,123,578,385.27
5. Step 5: Solve for x
   x = 1,123,578,385.27/38,270.72
6. Step 6: Final answer
   x = 29,358.69