Finding the Fourth Proportional to 22,492.46, 31,018.98 and 15,333.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,492.46 : 31,018.98 = 15,333.08 : x
2. Step 2: Convert to fraction form
   22,492.46/31,018.98 = 15,333.08/x
3. Step 3: Cross multiply
   22,492.46x = 31,018.98 × 15,333.08
4. Step 4: Simplify right side
   22,492.46x = 475,616,501.86
5. Step 5: Solve for x
   x = 475,616,501.86/22,492.46
6. Step 6: Final answer
   x = 21,145.60