Finding the Fourth Proportional to 4,003.86, 5,518.72 and 2,677.08

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003.86 : 5,518.72 = 2,677.08 : x
2. Step 2: Convert to fraction form
   4,003.86/5,518.72 = 2,677.08/x
3. Step 3: Cross multiply
   4,003.86x = 5,518.72 × 2,677.08
4. Step 4: Simplify right side
   4,003.86x = 14,774,041.55
5. Step 5: Solve for x
   x = 14,774,041.55/4,003.86
6. Step 6: Final answer
   x = 3,689.95