Finding the Fourth Proportional to 4,840.82, 7,249.71 and 2,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,840.82 : 7,249.71 = 2,784.50 : x
2. Step 2: Convert to fraction form
   4,840.82/7,249.71 = 2,784.50/x
3. Step 3: Cross multiply
   4,840.82x = 7,249.71 × 2,784.50
4. Step 4: Simplify right side
   4,840.82x = 20,186,817.50
5. Step 5: Solve for x
   x = 20,186,817.50/4,840.82
6. Step 6: Final answer
   x = 4,170.12