Finding the Fourth Proportional to 11,478.91, 17,215.52 and 3,158.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,478.91 : 17,215.52 = 3,158.52 : x
2. Step 2: Convert to fraction form
   11,478.91/17,215.52 = 3,158.52/x
3. Step 3: Cross multiply
   11,478.91x = 17,215.52 × 3,158.52
4. Step 4: Simplify right side
   11,478.91x = 54,375,564.23
5. Step 5: Solve for x
   x = 54,375,564.23/11,478.91
6. Step 6: Final answer
   x = 4,737.00