Finding the Fourth Proportional to 13,323.31, 18,384.61 and 7,946.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.31 : 18,384.61 = 7,946.04 : x
2. Step 2: Convert to fraction form
   13,323.31/18,384.61 = 7,946.04/x
3. Step 3: Cross multiply
   13,323.31x = 18,384.61 × 7,946.04
4. Step 4: Simplify right side
   13,323.31x = 146,084,910.42
5. Step 5: Solve for x
   x = 146,084,910.42/13,323.31
6. Step 6: Final answer
   x = 10,964.61