Finding the Fourth Proportional to 10,928.01, 16,386.25 and 3,531.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,928.01 : 16,386.25 = 3,531.55 : x
2. Step 2: Convert to fraction form
   10,928.01/16,386.25 = 3,531.55/x
3. Step 3: Cross multiply
   10,928.01x = 16,386.25 × 3,531.55
4. Step 4: Simplify right side
   10,928.01x = 57,868,848.74
5. Step 5: Solve for x
   x = 57,868,848.74/10,928.01
6. Step 6: Final answer
   x = 5,295.46