Finding the Fourth Proportional to 9,853.74, 13,597.95 and 5,377.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.74 : 13,597.95 = 5,377.62 : x
2. Step 2: Convert to fraction form
   9,853.74/13,597.95 = 5,377.62/x
3. Step 3: Cross multiply
   9,853.74x = 13,597.95 × 5,377.62
4. Step 4: Simplify right side
   9,853.74x = 73,124,607.88
5. Step 5: Solve for x
   x = 73,124,607.88/9,853.74
6. Step 6: Final answer
   x = 7,421.00