Finding the Fourth Proportional to 7,472.55, 10,314.72 and 4,642.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,472.55 : 10,314.72 = 4,642.10 : x
2. Step 2: Convert to fraction form
   7,472.55/10,314.72 = 4,642.10/x
3. Step 3: Cross multiply
   7,472.55x = 10,314.72 × 4,642.10
4. Step 4: Simplify right side
   7,472.55x = 47,881,938.50
5. Step 5: Solve for x
   x = 47,881,938.50/7,472.55
6. Step 6: Final answer
   x = 6,407.71