Finding the Fourth Proportional to 22,123.48, 33,132.14 and 12,735

Step by Step Solution

1. Step 1: Write the proportion equation
   22,123.48 : 33,132.14 = 12,735 : x
2. Step 2: Convert to fraction form
   22,123.48/33,132.14 = 12,735/x
3. Step 3: Cross multiply
   22,123.48x = 33,132.14 × 12,735
4. Step 4: Simplify right side
   22,123.48x = 421,937,802.90
5. Step 5: Solve for x
   x = 421,937,802.90/22,123.48
6. Step 6: Final answer
   x = 19,071.95