Finding the Fourth Proportional to 31,090.37, 46,635.12 and 7,716.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,090.37 : 46,635.12 = 7,716.83 : x
2. Step 2: Convert to fraction form
   31,090.37/46,635.12 = 7,716.83/x
3. Step 3: Cross multiply
   31,090.37x = 46,635.12 × 7,716.83
4. Step 4: Simplify right side
   31,090.37x = 359,875,059.89
5. Step 5: Solve for x
   x = 359,875,059.89/31,090.37
6. Step 6: Final answer
   x = 11,575.13