Finding the Fourth Proportional to 7,613.42, 11,412.38 and 5,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,613.42 : 11,412.38 = 5,148.50 : x
2. Step 2: Convert to fraction form
   7,613.42/11,412.38 = 5,148.50/x
3. Step 3: Cross multiply
   7,613.42x = 11,412.38 × 5,148.50
4. Step 4: Simplify right side
   7,613.42x = 58,756,555.63
5. Step 5: Solve for x
   x = 58,756,555.63/7,613.42
6. Step 6: Final answer
   x = 7,717.50