Finding the Fourth Proportional to 10,374.67, 15,564.71 and 2,979.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,374.67 : 15,564.71 = 2,979.73 : x
2. Step 2: Convert to fraction form
   10,374.67/15,564.71 = 2,979.73/x
3. Step 3: Cross multiply
   10,374.67x = 15,564.71 × 2,979.73
4. Step 4: Simplify right side
   10,374.67x = 46,378,633.33
5. Step 5: Solve for x
   x = 46,378,633.33/10,374.67
6. Step 6: Final answer
   x = 4,470.37