Finding the Fourth Proportional to 8,798.55, 12,142.07 and 4,820.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.55 : 12,142.07 = 4,820.03 : x
2. Step 2: Convert to fraction form
   8,798.55/12,142.07 = 4,820.03/x
3. Step 3: Cross multiply
   8,798.55x = 12,142.07 × 4,820.03
4. Step 4: Simplify right side
   8,798.55x = 58,525,141.66
5. Step 5: Solve for x
   x = 58,525,141.66/8,798.55
6. Step 6: Final answer
   x = 6,651.68