Finding the Fourth Proportional to 23,431, 32,338.62 and 13,500.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,431 : 32,338.62 = 13,500.76 : x
2. Step 2: Convert to fraction form
   23,431/32,338.62 = 13,500.76/x
3. Step 3: Cross multiply
   23,431x = 32,338.62 × 13,500.76
4. Step 4: Simplify right side
   23,431x = 436,595,947.35
5. Step 5: Solve for x
   x = 436,595,947.35/23,431
6. Step 6: Final answer
   x = 18,633.26