Finding the Fourth Proportional to 7,475.38, 10,316.61 and 4,118.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,475.38 : 10,316.61 = 4,118.80 : x
2. Step 2: Convert to fraction form
   7,475.38/10,316.61 = 4,118.80/x
3. Step 3: Cross multiply
   7,475.38x = 10,316.61 × 4,118.80
4. Step 4: Simplify right side
   7,475.38x = 42,492,052.61
5. Step 5: Solve for x
   x = 42,492,052.61/7,475.38
6. Step 6: Final answer
   x = 5,684.26