Finding the Fourth Proportional to 11,384.01, 17,083.71 and 3,988.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,384.01 : 17,083.71 = 3,988.53 : x
2. Step 2: Convert to fraction form
   11,384.01/17,083.71 = 3,988.53/x
3. Step 3: Cross multiply
   11,384.01x = 17,083.71 × 3,988.53
4. Step 4: Simplify right side
   11,384.01x = 68,138,889.85
5. Step 5: Solve for x
   x = 68,138,889.85/11,384.01
6. Step 6: Final answer
   x = 5,985.49