Finding the Fourth Proportional to 5,061.21, 7,587.30 and 2,722.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,061.21 : 7,587.30 = 2,722.47 : x
2. Step 2: Convert to fraction form
   5,061.21/7,587.30 = 2,722.47/x
3. Step 3: Cross multiply
   5,061.21x = 7,587.30 × 2,722.47
4. Step 4: Simplify right side
   5,061.21x = 20,656,196.63
5. Step 5: Solve for x
   x = 20,656,196.63/5,061.21
6. Step 6: Final answer
   x = 4,081.28