Finding the Fourth Proportional to 11,470.10, 15,822.02 and 7,214.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,470.10 : 15,822.02 = 7,214.45 : x
2. Step 2: Convert to fraction form
   11,470.10/15,822.02 = 7,214.45/x
3. Step 3: Cross multiply
   11,470.10x = 15,822.02 × 7,214.45
4. Step 4: Simplify right side
   11,470.10x = 114,147,111.12
5. Step 5: Solve for x
   x = 114,147,111.12/11,470.10
6. Step 6: Final answer
   x = 9,951.71