Finding the Fourth Proportional to 22,700.52, 31,313.94 and 13,623.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,700.52 : 31,313.94 = 13,623.54 : x
2. Step 2: Convert to fraction form
   22,700.52/31,313.94 = 13,623.54/x
3. Step 3: Cross multiply
   22,700.52x = 31,313.94 × 13,623.54
4. Step 4: Simplify right side
   22,700.52x = 426,606,714.15
5. Step 5: Solve for x
   x = 426,606,714.15/22,700.52
6. Step 6: Final answer
   x = 18,792.82