Finding the Fourth Proportional to 7,474.86, 10,315.98 and 4,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,474.86 : 10,315.98 = 4,118.34 : x
2. Step 2: Convert to fraction form
   7,474.86/10,315.98 = 4,118.34/x
3. Step 3: Cross multiply
   7,474.86x = 10,315.98 × 4,118.34
4. Step 4: Simplify right side
   7,474.86x = 42,484,713.07
5. Step 5: Solve for x
   x = 42,484,713.07/7,474.86
6. Step 6: Final answer
   x = 5,683.68