Finding the Fourth Proportional to 10,010.79, 14,983.52 and 7,377.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.79 : 14,983.52 = 7,377.21 : x
2. Step 2: Convert to fraction form
   10,010.79/14,983.52 = 7,377.21/x
3. Step 3: Cross multiply
   10,010.79x = 14,983.52 × 7,377.21
4. Step 4: Simplify right side
   10,010.79x = 110,536,536.69
5. Step 5: Solve for x
   x = 110,536,536.69/10,010.79
6. Step 6: Final answer
   x = 11,041.74