Finding the Fourth Proportional to 7,470.79, 10,309.29 and 4,112.95

Step by Step Solution

1. Step 1: Write the proportion equation
   7,470.79 : 10,309.29 = 4,112.95 : x
2. Step 2: Convert to fraction form
   7,470.79/10,309.29 = 4,112.95/x
3. Step 3: Cross multiply
   7,470.79x = 10,309.29 × 4,112.95
4. Step 4: Simplify right side
   7,470.79x = 42,401,594.31
5. Step 5: Solve for x
   x = 42,401,594.31/7,470.79
6. Step 6: Final answer
   x = 5,675.65