Finding the Fourth Proportional to 5,047.31, 7,520.80 and 4,495.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,047.31 : 7,520.80 = 4,495.25 : x
2. Step 2: Convert to fraction form
   5,047.31/7,520.80 = 4,495.25/x
3. Step 3: Cross multiply
   5,047.31x = 7,520.80 × 4,495.25
4. Step 4: Simplify right side
   5,047.31x = 33,807,849.89
5. Step 5: Solve for x
   x = 33,807,849.89/5,047.31
6. Step 6: Final answer
   x = 6,698.19