Finding the Fourth Proportional to 19,388.52, 29,085.48 and 9,528.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,388.52 : 29,085.48 = 9,528.18 : x
2. Step 2: Convert to fraction form
   19,388.52/29,085.48 = 9,528.18/x
3. Step 3: Cross multiply
   19,388.52x = 29,085.48 × 9,528.18
4. Step 4: Simplify right side
   19,388.52x = 277,131,688.83
5. Step 5: Solve for x
   x = 277,131,688.83/19,388.52
6. Step 6: Final answer
   x = 14,293.60