Finding the Fourth Proportional to 31,103.48, 46,655.94 and 7,730.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103.48 : 46,655.94 = 7,730.12 : x
2. Step 2: Convert to fraction form
   31,103.48/46,655.94 = 7,730.12/x
3. Step 3: Cross multiply
   31,103.48x = 46,655.94 × 7,730.12
4. Step 4: Simplify right side
   31,103.48x = 360,656,014.91
5. Step 5: Solve for x
   x = 360,656,014.91/31,103.48
6. Step 6: Final answer
   x = 11,595.36