Finding the Fourth Proportional to 5,515.89, 7,611.92 and 2,998.00

Step by Step Solution

1. Step 1: Write the proportion equation
   5,515.89 : 7,611.92 = 2,998.00 : x
2. Step 2: Convert to fraction form
   5,515.89/7,611.92 = 2,998.00/x
3. Step 3: Cross multiply
   5,515.89x = 7,611.92 × 2,998.00
4. Step 4: Simplify right side
   5,515.89x = 22,820,498.10
5. Step 5: Solve for x
   x = 22,820,498.10/5,515.89
6. Step 6: Final answer
   x = 4,137.23