Finding the Fourth Proportional to 23,272.72, 34,740.18 and 21,538.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,272.72 : 34,740.18 = 21,538.08 : x
2. Step 2: Convert to fraction form
   23,272.72/34,740.18 = 21,538.08/x
3. Step 3: Cross multiply
   23,272.72x = 34,740.18 × 21,538.08
4. Step 4: Simplify right side
   23,272.72x = 748,236,776.05
5. Step 5: Solve for x
   x = 748,236,776.05/23,272.72
6. Step 6: Final answer
   x = 32,150.81