Finding the Fourth Proportional to 13,192.87, 18,204.82 and 7,528.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,192.87 : 18,204.82 = 7,528.84 : x
2. Step 2: Convert to fraction form
   13,192.87/18,204.82 = 7,528.84/x
3. Step 3: Cross multiply
   13,192.87x = 18,204.82 × 7,528.84
4. Step 4: Simplify right side
   13,192.87x = 137,061,048.34
5. Step 5: Solve for x
   x = 137,061,048.34/13,192.87
6. Step 6: Final answer
   x = 10,389.03