Finding the Fourth Proportional to 10,109.68, 15,174.15 and 7,301.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.68 : 15,174.15 = 7,301.32 : x
2. Step 2: Convert to fraction form
   10,109.68/15,174.15 = 7,301.32/x
3. Step 3: Cross multiply
   10,109.68x = 15,174.15 × 7,301.32
4. Step 4: Simplify right side
   10,109.68x = 110,791,324.88
5. Step 5: Solve for x
   x = 110,791,324.88/10,109.68
6. Step 6: Final answer
   x = 10,958.93