Finding the Fourth Proportional to 10,748.32, 16,047.24 and 10,089.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,748.32 : 16,047.24 = 10,089.12 : x
2. Step 2: Convert to fraction form
   10,748.32/16,047.24 = 10,089.12/x
3. Step 3: Cross multiply
   10,748.32x = 16,047.24 × 10,089.12
4. Step 4: Simplify right side
   10,748.32x = 161,902,530.03
5. Step 5: Solve for x
   x = 161,902,530.03/10,748.32
6. Step 6: Final answer
   x = 15,063.05