Finding the Fourth Proportional to 13,185.96, 19,737.66 and 7,323.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185.96 : 19,737.66 = 7,323.72 : x
2. Step 2: Convert to fraction form
   13,185.96/19,737.66 = 7,323.72/x
3. Step 3: Cross multiply
   13,185.96x = 19,737.66 × 7,323.72
4. Step 4: Simplify right side
   13,185.96x = 144,553,095.30
5. Step 5: Solve for x
   x = 144,553,095.30/13,185.96
6. Step 6: Final answer
   x = 10,962.65