Finding the Fourth Proportional to 9,618.72, 13,273.68 and 5,427.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.72 : 13,273.68 = 5,427.84 : x
2. Step 2: Convert to fraction form
   9,618.72/13,273.68 = 5,427.84/x
3. Step 3: Cross multiply
   9,618.72x = 13,273.68 × 5,427.84
4. Step 4: Simplify right side
   9,618.72x = 72,047,411.25
5. Step 5: Solve for x
   x = 72,047,411.25/9,618.72
6. Step 6: Final answer
   x = 7,490.33