Finding the Fourth Proportional to 7,130.74, 10,700.69 and 3,846.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,130.74 : 10,700.69 = 3,846.12 : x
2. Step 2: Convert to fraction form
   7,130.74/10,700.69 = 3,846.12/x
3. Step 3: Cross multiply
   7,130.74x = 10,700.69 × 3,846.12
4. Step 4: Simplify right side
   7,130.74x = 41,156,137.82
5. Step 5: Solve for x
   x = 41,156,137.82/7,130.74
6. Step 6: Final answer
   x = 5,771.65