Finding the Fourth Proportional to 11,621.68, 17,429.40 and 5,046.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,621.68 : 17,429.40 = 5,046.30 : x
2. Step 2: Convert to fraction form
   11,621.68/17,429.40 = 5,046.30/x
3. Step 3: Cross multiply
   11,621.68x = 17,429.40 × 5,046.30
4. Step 4: Simplify right side
   11,621.68x = 87,953,925.03
5. Step 5: Solve for x
   x = 87,953,925.03/11,621.68
6. Step 6: Final answer
   x = 7,568.09