Finding the Fourth Proportional to 7,470, 10,308.27 and 4,112.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,470 : 10,308.27 = 4,112.76 : x
2. Step 2: Convert to fraction form
   7,470/10,308.27 = 4,112.76/x
3. Step 3: Cross multiply
   7,470x = 10,308.27 × 4,112.76
4. Step 4: Simplify right side
   7,470x = 42,395,440.53
5. Step 5: Solve for x
   x = 42,395,440.53/7,470
6. Step 6: Final answer
   x = 5,675.43