Finding the Fourth Proportional to 10,494.88, 14,478.24 and 7,090.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,494.88 : 14,478.24 = 7,090.79 : x
2. Step 2: Convert to fraction form
   10,494.88/14,478.24 = 7,090.79/x
3. Step 3: Cross multiply
   10,494.88x = 14,478.24 × 7,090.79
4. Step 4: Simplify right side
   10,494.88x = 102,662,140.76
5. Step 5: Solve for x
   x = 102,662,140.76/10,494.88
6. Step 6: Final answer
   x = 9,782.12