Finding the Fourth Proportional to 23,796.86, 32,826.06 and 20,971.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,796.86 : 32,826.06 = 20,971.17 : x
2. Step 2: Convert to fraction form
   23,796.86/32,826.06 = 20,971.17/x
3. Step 3: Cross multiply
   23,796.86x = 32,826.06 × 20,971.17
4. Step 4: Simplify right side
   23,796.86x = 688,400,884.69
5. Step 5: Solve for x
   x = 688,400,884.69/23,796.86
6. Step 6: Final answer
   x = 28,928.23