Finding the Fourth Proportional to 23,276, 32,120.88 and 13,340

Step by Step Solution

1. Step 1: Write the proportion equation
   23,276 : 32,120.88 = 13,340 : x
2. Step 2: Convert to fraction form
   23,276/32,120.88 = 13,340/x
3. Step 3: Cross multiply
   23,276x = 32,120.88 × 13,340
4. Step 4: Simplify right side
   23,276x = 428,492,539.20
5. Step 5: Solve for x
   x = 428,492,539.20/23,276
6. Step 6: Final answer
   x = 18,409.20