Finding the Fourth Proportional to 5,061.36, 7,585.38 and 2,840.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,061.36 : 7,585.38 = 2,840.16 : x
2. Step 2: Convert to fraction form
   5,061.36/7,585.38 = 2,840.16/x
3. Step 3: Cross multiply
   5,061.36x = 7,585.38 × 2,840.16
4. Step 4: Simplify right side
   5,061.36x = 21,543,692.86
5. Step 5: Solve for x
   x = 21,543,692.86/5,061.36
6. Step 6: Final answer
   x = 4,256.50