Finding the Fourth Proportional to 7,470.88, 10,309.56 and 4,113.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,470.88 : 10,309.56 = 4,113.76 : x
2. Step 2: Convert to fraction form
   7,470.88/10,309.56 = 4,113.76/x
3. Step 3: Cross multiply
   7,470.88x = 10,309.56 × 4,113.76
4. Step 4: Simplify right side
   7,470.88x = 42,411,055.55
5. Step 5: Solve for x
   x = 42,411,055.55/7,470.88
6. Step 6: Final answer
   x = 5,676.85