Finding the Fourth Proportional to 22,492.96, 31,019.67 and 15,333.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,492.96 : 31,019.67 = 15,333.58 : x
2. Step 2: Convert to fraction form
   22,492.96/31,019.67 = 15,333.58/x
3. Step 3: Cross multiply
   22,492.96x = 31,019.67 × 15,333.58
4. Step 4: Simplify right side
   22,492.96x = 475,642,591.52
5. Step 5: Solve for x
   x = 475,642,591.52/22,492.96
6. Step 6: Final answer
   x = 21,146.29