Finding the Fourth Proportional to 11,872.94, 17,802.83 and 4,857.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,872.94 : 17,802.83 = 4,857.88 : x
2. Step 2: Convert to fraction form
   11,872.94/17,802.83 = 4,857.88/x
3. Step 3: Cross multiply
   11,872.94x = 17,802.83 × 4,857.88
4. Step 4: Simplify right side
   11,872.94x = 86,483,898.50
5. Step 5: Solve for x
   x = 86,483,898.50/11,872.94
6. Step 6: Final answer
   x = 7,284.12