Finding the Fourth Proportional to 5,185.01, 7,155.45 and 3,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.01 : 7,155.45 = 3,196.88 : x
2. Step 2: Convert to fraction form
   5,185.01/7,155.45 = 3,196.88/x
3. Step 3: Cross multiply
   5,185.01x = 7,155.45 × 3,196.88
4. Step 4: Simplify right side
   5,185.01x = 22,875,115.00
5. Step 5: Solve for x
   x = 22,875,115.00/5,185.01
6. Step 6: Final answer
   x = 4,411.78