Finding the Fourth Proportional to 23,288.55, 32,138.27 and 13,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,288.55 : 32,138.27 = 13,856.50 : x
2. Step 2: Convert to fraction form
   23,288.55/32,138.27 = 13,856.50/x
3. Step 3: Cross multiply
   23,288.55x = 32,138.27 × 13,856.50
4. Step 4: Simplify right side
   23,288.55x = 445,323,938.26
5. Step 5: Solve for x
   x = 445,323,938.26/23,288.55
6. Step 6: Final answer
   x = 19,122.01