Finding the Fourth Proportional to 7,210.59, 9,951.31 and 4,377.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,210.59 : 9,951.31 = 4,377.31 : x
2. Step 2: Convert to fraction form
   7,210.59/9,951.31 = 4,377.31/x
3. Step 3: Cross multiply
   7,210.59x = 9,951.31 × 4,377.31
4. Step 4: Simplify right side
   7,210.59x = 43,559,968.78
5. Step 5: Solve for x
   x = 43,559,968.78/7,210.59
6. Step 6: Final answer
   x = 6,041.11