Finding the Fourth Proportional to 10,019.53, 13,827.18 and 5,543.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.53 : 13,827.18 = 5,543.32 : x
2. Step 2: Convert to fraction form
   10,019.53/13,827.18 = 5,543.32/x
3. Step 3: Cross multiply
   10,019.53x = 13,827.18 × 5,543.32
4. Step 4: Simplify right side
   10,019.53x = 76,648,483.44
5. Step 5: Solve for x
   x = 76,648,483.44/10,019.53
6. Step 6: Final answer
   x = 7,649.91