Finding the Fourth Proportional to 9,853.72, 13,597.95 and 5,377.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.72 : 13,597.95 = 5,377.48 : x
2. Step 2: Convert to fraction form
   9,853.72/13,597.95 = 5,377.48/x
3. Step 3: Cross multiply
   9,853.72x = 13,597.95 × 5,377.48
4. Step 4: Simplify right side
   9,853.72x = 73,122,704.17
5. Step 5: Solve for x
   x = 73,122,704.17/9,853.72
6. Step 6: Final answer
   x = 7,420.82