Finding the Fourth Proportional to 11,399.17, 17,098.83 and 3,607.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,399.17 : 17,098.83 = 3,607.98 : x
2. Step 2: Convert to fraction form
   11,399.17/17,098.83 = 3,607.98/x
3. Step 3: Cross multiply
   11,399.17x = 17,098.83 × 3,607.98
4. Step 4: Simplify right side
   11,399.17x = 61,692,237.07
5. Step 5: Solve for x
   x = 61,692,237.07/11,399.17
6. Step 6: Final answer
   x = 5,411.99