Finding the Fourth Proportional to 23,810.96, 32,856.80 and 13,200.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,810.96 : 32,856.80 = 13,200.37 : x
2. Step 2: Convert to fraction form
   23,810.96/32,856.80 = 13,200.37/x
3. Step 3: Cross multiply
   23,810.96x = 32,856.80 × 13,200.37
4. Step 4: Simplify right side
   23,810.96x = 433,721,768.87
5. Step 5: Solve for x
   x = 433,721,768.87/23,810.96
6. Step 6: Final answer
   x = 18,215.21