Finding the Fourth Proportional to 10,010.10, 14,979.15 and 7,418.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.10 : 14,979.15 = 7,418.10 : x
2. Step 2: Convert to fraction form
   10,010.10/14,979.15 = 7,418.10/x
3. Step 3: Cross multiply
   10,010.10x = 14,979.15 × 7,418.10
4. Step 4: Simplify right side
   10,010.10x = 111,116,832.62
5. Step 5: Solve for x
   x = 111,116,832.62/10,010.10
6. Step 6: Final answer
   x = 11,100.47