Finding the Fourth Proportional to 31,109.86, 46,664.77 and 7,736.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,109.86 : 46,664.77 = 7,736.29 : x
2. Step 2: Convert to fraction form
   31,109.86/46,664.77 = 7,736.29/x
3. Step 3: Cross multiply
   31,109.86x = 46,664.77 × 7,736.29
4. Step 4: Simplify right side
   31,109.86x = 361,012,193.50
5. Step 5: Solve for x
   x = 361,012,193.50/31,109.86
6. Step 6: Final answer
   x = 11,604.43