Finding the Fourth Proportional to 22,495.08, 31,036.32 and 13,061.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,495.08 : 31,036.32 = 13,061.76 : x
2. Step 2: Convert to fraction form
   22,495.08/31,036.32 = 13,061.76/x
3. Step 3: Cross multiply
   22,495.08x = 31,036.32 × 13,061.76
4. Step 4: Simplify right side
   22,495.08x = 405,388,963.12
5. Step 5: Solve for x
   x = 405,388,963.12/22,495.08
6. Step 6: Final answer
   x = 18,021.23