Finding the Fourth Proportional to 23,148.52, 31,944.96 and 12,538.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,148.52 : 31,944.96 = 12,538.12 : x
2. Step 2: Convert to fraction form
   23,148.52/31,944.96 = 12,538.12/x
3. Step 3: Cross multiply
   23,148.52x = 31,944.96 × 12,538.12
4. Step 4: Simplify right side
   23,148.52x = 400,529,741.88
5. Step 5: Solve for x
   x = 400,529,741.88/23,148.52
6. Step 6: Final answer
   x = 17,302.61