Finding the Fourth Proportional to 3,061.72, 4,592.55 and 753.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.72 : 4,592.55 = 753.22 : x
2. Step 2: Convert to fraction form
   3,061.72/4,592.55 = 753.22/x
3. Step 3: Cross multiply
   3,061.72x = 4,592.55 × 753.22
4. Step 4: Simplify right side
   3,061.72x = 3,459,200.51
5. Step 5: Solve for x
   x = 3,459,200.51/3,061.72
6. Step 6: Final answer
   x = 1,129.82