Finding the Fourth Proportional to 31,900.86, 47,858.45 and 9,716.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,900.86 : 47,858.45 = 9,716.00 : x
2. Step 2: Convert to fraction form
   31,900.86/47,858.45 = 9,716.00/x
3. Step 3: Cross multiply
   31,900.86x = 47,858.45 × 9,716.00
4. Step 4: Simplify right side
   31,900.86x = 464,992,412.33
5. Step 5: Solve for x
   x = 464,992,412.33/31,900.86
6. Step 6: Final answer
   x = 14,576.17