Finding the Fourth Proportional to 21,176.01, 29,356.72 and 20,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,176.01 : 29,356.72 = 20,052.50 : x
2. Step 2: Convert to fraction form
   21,176.01/29,356.72 = 20,052.50/x
3. Step 3: Cross multiply
   21,176.01x = 29,356.72 × 20,052.50
4. Step 4: Simplify right side
   21,176.01x = 588,675,430.89
5. Step 5: Solve for x
   x = 588,675,430.89/21,176.01
6. Step 6: Final answer
   x = 27,799.17