Finding the Fourth Proportional to 38,196.18, 52,711.29 and 21,201.53

Step by Step Solution

1. Step 1: Write the proportion equation
   38,196.18 : 52,711.29 = 21,201.53 : x
2. Step 2: Convert to fraction form
   38,196.18/52,711.29 = 21,201.53/x
3. Step 3: Cross multiply
   38,196.18x = 52,711.29 × 21,201.53
4. Step 4: Simplify right side
   38,196.18x = 1,117,559,732.72
5. Step 5: Solve for x
   x = 1,117,559,732.72/38,196.18
6. Step 6: Final answer
   x = 29,258.42