Finding the Fourth Proportional to 5,470.98, 7,549.82 and 3,112.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470.98 : 7,549.82 = 3,112.98 : x
2. Step 2: Convert to fraction form
   5,470.98/7,549.82 = 3,112.98/x
3. Step 3: Cross multiply
   5,470.98x = 7,549.82 × 3,112.98
4. Step 4: Simplify right side
   5,470.98x = 23,502,423.10
5. Step 5: Solve for x
   x = 23,502,423.10/5,470.98
6. Step 6: Final answer
   x = 4,295.83