Finding the Fourth Proportional to 21,883, 32,653.72 and 19,526.80

Step by Step Solution

1. Step 1: Write the proportion equation
   21,883 : 32,653.72 = 19,526.80 : x
2. Step 2: Convert to fraction form
   21,883/32,653.72 = 19,526.80/x
3. Step 3: Cross multiply
   21,883x = 32,653.72 × 19,526.80
4. Step 4: Simplify right side
   21,883x = 637,622,659.70
5. Step 5: Solve for x
   x = 637,622,659.70/21,883
6. Step 6: Final answer
   x = 29,137.81