Finding the Fourth Proportional to 23,323.55, 32,206.61 and 19,999.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,323.55 : 32,206.61 = 19,999.31 : x
2. Step 2: Convert to fraction form
   23,323.55/32,206.61 = 19,999.31/x
3. Step 3: Cross multiply
   23,323.55x = 32,206.61 × 19,999.31
4. Step 4: Simplify right side
   23,323.55x = 644,109,866.40
5. Step 5: Solve for x
   x = 644,109,866.40/23,323.55
6. Step 6: Final answer
   x = 27,616.29