Finding the Fourth Proportional to 11,388.50, 17,085.18 and 4,463

Step by Step Solution

1. Step 1: Write the proportion equation
   11,388.50 : 17,085.18 = 4,463 : x
2. Step 2: Convert to fraction form
   11,388.50/17,085.18 = 4,463/x
3. Step 3: Cross multiply
   11,388.50x = 17,085.18 × 4,463
4. Step 4: Simplify right side
   11,388.50x = 76,251,158.34
5. Step 5: Solve for x
   x = 76,251,158.34/11,388.50
6. Step 6: Final answer
   x = 6,695.45