Finding the Fourth Proportional to 9,750.98, 13,456.35 and 5,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,750.98 : 13,456.35 = 5,274.72 : x
2. Step 2: Convert to fraction form
   9,750.98/13,456.35 = 5,274.72/x
3. Step 3: Cross multiply
   9,750.98x = 13,456.35 × 5,274.72
4. Step 4: Simplify right side
   9,750.98x = 70,978,478.47
5. Step 5: Solve for x
   x = 70,978,478.47/9,750.98
6. Step 6: Final answer
   x = 7,279.12