Finding the Fourth Proportional to 5,012.17, 7,487.52 and 3,613.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,012.17 : 7,487.52 = 3,613.57 : x
2. Step 2: Convert to fraction form
   5,012.17/7,487.52 = 3,613.57/x
3. Step 3: Cross multiply
   5,012.17x = 7,487.52 × 3,613.57
4. Step 4: Simplify right side
   5,012.17x = 27,056,707.66
5. Step 5: Solve for x
   x = 27,056,707.66/5,012.17
6. Step 6: Final answer
   x = 5,398.20