Finding the Fourth Proportional to 13,285.34, 19,946.47 and 7,048.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,285.34 : 19,946.47 = 7,048.29 : x
2. Step 2: Convert to fraction form
   13,285.34/19,946.47 = 7,048.29/x
3. Step 3: Cross multiply
   13,285.34x = 19,946.47 × 7,048.29
4. Step 4: Simplify right side
   13,285.34x = 140,588,489.60
5. Step 5: Solve for x
   x = 140,588,489.60/13,285.34
6. Step 6: Final answer
   x = 10,582.23