Finding the Fourth Proportional to 7,287.00, 10,059.90 and 5,164.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,287.00 : 10,059.90 = 5,164.29 : x
2. Step 2: Convert to fraction form
   7,287.00/10,059.90 = 5,164.29/x
3. Step 3: Cross multiply
   7,287.00x = 10,059.90 × 5,164.29
4. Step 4: Simplify right side
   7,287.00x = 51,952,221.60
5. Step 5: Solve for x
   x = 51,952,221.60/7,287.00
6. Step 6: Final answer
   x = 7,129.44