Finding the Fourth Proportional to 8,821.51, 12,173.59 and 4,842.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,821.51 : 12,173.59 = 4,842.52 : x
2. Step 2: Convert to fraction form
   8,821.51/12,173.59 = 4,842.52/x
3. Step 3: Cross multiply
   8,821.51x = 12,173.59 × 4,842.52
4. Step 4: Simplify right side
   8,821.51x = 58,950,828.67
5. Step 5: Solve for x
   x = 58,950,828.67/8,821.51
6. Step 6: Final answer
   x = 6,682.63