Finding the Fourth Proportional to 10,615.07, 14,644.56 and 7,427.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,615.07 : 14,644.56 = 7,427.51 : x
2. Step 2: Convert to fraction form
   10,615.07/14,644.56 = 7,427.51/x
3. Step 3: Cross multiply
   10,615.07x = 14,644.56 × 7,427.51
4. Step 4: Simplify right side
   10,615.07x = 108,772,615.85
5. Step 5: Solve for x
   x = 108,772,615.85/10,615.07
6. Step 6: Final answer
   x = 10,247.00