Finding the Fourth Proportional to 5,513.96, 7,615.86 and 4,019.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,513.96 : 7,615.86 = 4,019.48 : x
2. Step 2: Convert to fraction form
   5,513.96/7,615.86 = 4,019.48/x
3. Step 3: Cross multiply
   5,513.96x = 7,615.86 × 4,019.48
4. Step 4: Simplify right side
   5,513.96x = 30,611,796.95
5. Step 5: Solve for x
   x = 30,611,796.95/5,513.96
6. Step 6: Final answer
   x = 5,551.69