Finding the Fourth Proportional to 21,492, 32,250.96 and 9,180

Step by Step Solution

1. Step 1: Write the proportion equation
   21,492 : 32,250.96 = 9,180 : x
2. Step 2: Convert to fraction form
   21,492/32,250.96 = 9,180/x
3. Step 3: Cross multiply
   21,492x = 32,250.96 × 9,180
4. Step 4: Simplify right side
   21,492x = 296,063,812.80
5. Step 5: Solve for x
   x = 296,063,812.80/21,492
6. Step 6: Final answer
   x = 13,775.54