Finding the Fourth Proportional to 10,749.32, 16,048.73 and 10,090.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749.32 : 16,048.73 = 10,090.12 : x
2. Step 2: Convert to fraction form
   10,749.32/16,048.73 = 10,090.12/x
3. Step 3: Cross multiply
   10,749.32x = 16,048.73 × 10,090.12
4. Step 4: Simplify right side
   10,749.32x = 161,933,611.55
5. Step 5: Solve for x
   x = 161,933,611.55/10,749.32
6. Step 6: Final answer
   x = 15,064.54