Finding the Fourth Proportional to 13,150.55, 19,710.34 and 4,827.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.55 : 19,710.34 = 4,827.80 : x
2. Step 2: Convert to fraction form
   13,150.55/19,710.34 = 4,827.80/x
3. Step 3: Cross multiply
   13,150.55x = 19,710.34 × 4,827.80
4. Step 4: Simplify right side
   13,150.55x = 95,157,616.66
5. Step 5: Solve for x
   x = 95,157,616.66/13,150.55
6. Step 6: Final answer
   x = 7,236.02