Finding the Fourth Proportional to 23,526.24, 32,468.79 and 13,455.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,526.24 : 32,468.79 = 13,455.60 : x
2. Step 2: Convert to fraction form
   23,526.24/32,468.79 = 13,455.60/x
3. Step 3: Cross multiply
   23,526.24x = 32,468.79 × 13,455.60
4. Step 4: Simplify right side
   23,526.24x = 436,887,050.72
5. Step 5: Solve for x
   x = 436,887,050.72/23,526.24
6. Step 6: Final answer
   x = 18,570.20