Finding the Fourth Proportional to 7,038.42, 10,561.30 and 5,106.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,038.42 : 10,561.30 = 5,106.56 : x
2. Step 2: Convert to fraction form
   7,038.42/10,561.30 = 5,106.56/x
3. Step 3: Cross multiply
   7,038.42x = 10,561.30 × 5,106.56
4. Step 4: Simplify right side
   7,038.42x = 53,931,912.13
5. Step 5: Solve for x
   x = 53,931,912.13/7,038.42
6. Step 6: Final answer
   x = 7,662.50