Finding the Fourth Proportional to 21,875.27, 32,820.69 and 10,789.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,875.27 : 32,820.69 = 10,789.84 : x
2. Step 2: Convert to fraction form
   21,875.27/32,820.69 = 10,789.84/x
3. Step 3: Cross multiply
   21,875.27x = 32,820.69 × 10,789.84
4. Step 4: Simplify right side
   21,875.27x = 354,130,075.28
5. Step 5: Solve for x
   x = 354,130,075.28/21,875.27
6. Step 6: Final answer
   x = 16,188.61