Finding the Fourth Proportional to 38,196.56, 52,711.81 and 21,201.89

Step by Step Solution

1. Step 1: Write the proportion equation
   38,196.56 : 52,711.81 = 21,201.89 : x
2. Step 2: Convert to fraction form
   38,196.56/52,711.81 = 21,201.89/x
3. Step 3: Cross multiply
   38,196.56x = 52,711.81 × 21,201.89
4. Step 4: Simplify right side
   38,196.56x = 1,117,590,076.10
5. Step 5: Solve for x
   x = 1,117,590,076.10/38,196.56
6. Step 6: Final answer
   x = 29,258.92