Finding the Fourth Proportional to 7,616.72, 10,510.64 and 4,213.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,616.72 : 10,510.64 = 4,213.53 : x
2. Step 2: Convert to fraction form
   7,616.72/10,510.64 = 4,213.53/x
3. Step 3: Cross multiply
   7,616.72x = 10,510.64 × 4,213.53
4. Step 4: Simplify right side
   7,616.72x = 44,286,875.89
5. Step 5: Solve for x
   x = 44,286,875.89/7,616.72
6. Step 6: Final answer
   x = 5,814.43