Finding the Fourth Proportional to 23,279.00, 32,131.79 and 15,213.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,279.00 : 32,131.79 = 15,213.83 : x
2. Step 2: Convert to fraction form
   23,279.00/32,131.79 = 15,213.83/x
3. Step 3: Cross multiply
   23,279.00x = 32,131.79 × 15,213.83
4. Step 4: Simplify right side
   23,279.00x = 488,847,468.03
5. Step 5: Solve for x
   x = 488,847,468.03/23,279.00
6. Step 6: Final answer
   x = 20,999.51