Finding the Fourth Proportional to 5,499.85, 7,587.80 and 3,612.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.85 : 7,587.80 = 3,612.45 : x
2. Step 2: Convert to fraction form
   5,499.85/7,587.80 = 3,612.45/x
3. Step 3: Cross multiply
   5,499.85x = 7,587.80 × 3,612.45
4. Step 4: Simplify right side
   5,499.85x = 27,410,572.05
5. Step 5: Solve for x
   x = 27,410,572.05/5,499.85
6. Step 6: Final answer
   x = 4,983.88