Finding the Fourth Proportional to 13,076.18, 19,613.16 and 5,176.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,076.18 : 19,613.16 = 5,176.55 : x
2. Step 2: Convert to fraction form
   13,076.18/19,613.16 = 5,176.55/x
3. Step 3: Cross multiply
   13,076.18x = 19,613.16 × 5,176.55
4. Step 4: Simplify right side
   13,076.18x = 101,528,459.47
5. Step 5: Solve for x
   x = 101,528,459.47/13,076.18
6. Step 6: Final answer
   x = 7,764.38