Finding the Fourth Proportional to 31,162.33, 46,742.82 and 7,788.79

Step by Step Solution

1. Step 1: Write the proportion equation
   31,162.33 : 46,742.82 = 7,788.79 : x
2. Step 2: Convert to fraction form
   31,162.33/46,742.82 = 7,788.79/x
3. Step 3: Cross multiply
   31,162.33x = 46,742.82 × 7,788.79
4. Step 4: Simplify right side
   31,162.33x = 364,070,008.99
5. Step 5: Solve for x
   x = 364,070,008.99/31,162.33
6. Step 6: Final answer
   x = 11,683.02