Finding the Fourth Proportional to 38,338.95, 52,906.46 and 21,568.71

Step by Step Solution

1. Step 1: Write the proportion equation
   38,338.95 : 52,906.46 = 21,568.71 : x
2. Step 2: Convert to fraction form
   38,338.95/52,906.46 = 21,568.71/x
3. Step 3: Cross multiply
   38,338.95x = 52,906.46 × 21,568.71
4. Step 4: Simplify right side
   38,338.95x = 1,141,123,985.02
5. Step 5: Solve for x
   x = 1,141,123,985.02/38,338.95
6. Step 6: Final answer
   x = 29,764.09