Finding the Fourth Proportional to 7,536.42, 10,400.70 and 4,886.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,536.42 : 10,400.70 = 4,886.10 : x
2. Step 2: Convert to fraction form
   7,536.42/10,400.70 = 4,886.10/x
3. Step 3: Cross multiply
   7,536.42x = 10,400.70 × 4,886.10
4. Step 4: Simplify right side
   7,536.42x = 50,818,860.27
5. Step 5: Solve for x
   x = 50,818,860.27/7,536.42
6. Step 6: Final answer
   x = 6,743.10