Finding the Fourth Proportional to 23,132, 31,926.48 and 13,196

Step by Step Solution

1. Step 1: Write the proportion equation
   23,132 : 31,926.48 = 13,196 : x
2. Step 2: Convert to fraction form
   23,132/31,926.48 = 13,196/x
3. Step 3: Cross multiply
   23,132x = 31,926.48 × 13,196
4. Step 4: Simplify right side
   23,132x = 421,301,830.08
5. Step 5: Solve for x
   x = 421,301,830.08/23,132
6. Step 6: Final answer
   x = 18,212.94