Finding the Fourth Proportional to 10,980.07, 15,154.73 and 7,444.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.07 : 15,154.73 = 7,444.42 : x
2. Step 2: Convert to fraction form
   10,980.07/15,154.73 = 7,444.42/x
3. Step 3: Cross multiply
   10,980.07x = 15,154.73 × 7,444.42
4. Step 4: Simplify right side
   10,980.07x = 112,818,127.91
5. Step 5: Solve for x
   x = 112,818,127.91/10,980.07
6. Step 6: Final answer
   x = 10,274.81