Finding the Fourth Proportional to 7,540.62, 10,412.27 and 4,892.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,540.62 : 10,412.27 = 4,892.55 : x
2. Step 2: Convert to fraction form
   7,540.62/10,412.27 = 4,892.55/x
3. Step 3: Cross multiply
   7,540.62x = 10,412.27 × 4,892.55
4. Step 4: Simplify right side
   7,540.62x = 50,942,551.59
5. Step 5: Solve for x
   x = 50,942,551.59/7,540.62
6. Step 6: Final answer
   x = 6,755.75