Finding the Fourth Proportional to 3,436.48, 5,151.13 and 2,613.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.48 : 5,151.13 = 2,613.02 : x
2. Step 2: Convert to fraction form
   3,436.48/5,151.13 = 2,613.02/x
3. Step 3: Cross multiply
   3,436.48x = 5,151.13 × 2,613.02
4. Step 4: Simplify right side
   3,436.48x = 13,460,005.71
5. Step 5: Solve for x
   x = 13,460,005.71/3,436.48
6. Step 6: Final answer
   x = 3,916.80