Finding the Fourth Proportional to 11,618.34, 17,417.72 and 5,039.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618.34 : 17,417.72 = 5,039.57 : x
2. Step 2: Convert to fraction form
   11,618.34/17,417.72 = 5,039.57/x
3. Step 3: Cross multiply
   11,618.34x = 17,417.72 × 5,039.57
4. Step 4: Simplify right side
   11,618.34x = 87,777,837.53
5. Step 5: Solve for x
   x = 87,777,837.53/11,618.34
6. Step 6: Final answer
   x = 7,555.11