Finding the Fourth Proportional to 9,018.93, 13,530.32 and 5,323.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.93 : 13,530.32 = 5,323.92 : x
2. Step 2: Convert to fraction form
   9,018.93/13,530.32 = 5,323.92/x
3. Step 3: Cross multiply
   9,018.93x = 13,530.32 × 5,323.92
4. Step 4: Simplify right side
   9,018.93x = 72,034,341.25
5. Step 5: Solve for x
   x = 72,034,341.25/9,018.93
6. Step 6: Final answer
   x = 7,987.02