Finding the Fourth Proportional to 23,226, 32,051.88 and 13,290

Step by Step Solution

1. Step 1: Write the proportion equation
   23,226 : 32,051.88 = 13,290 : x
2. Step 2: Convert to fraction form
   23,226/32,051.88 = 13,290/x
3. Step 3: Cross multiply
   23,226x = 32,051.88 × 13,290
4. Step 4: Simplify right side
   23,226x = 425,969,485.20
5. Step 5: Solve for x
   x = 425,969,485.20/23,226
6. Step 6: Final answer
   x = 18,340.20