Finding the Fourth Proportional to 19,877.33, 29,815.83 and 5,086.20

Step by Step Solution

1. Step 1: Write the proportion equation
   19,877.33 : 29,815.83 = 5,086.20 : x
2. Step 2: Convert to fraction form
   19,877.33/29,815.83 = 5,086.20/x
3. Step 3: Cross multiply
   19,877.33x = 29,815.83 × 5,086.20
4. Step 4: Simplify right side
   19,877.33x = 151,649,274.55
5. Step 5: Solve for x
   x = 151,649,274.55/19,877.33
6. Step 6: Final answer
   x = 7,629.26