Finding the Fourth Proportional to 31,086.76, 46,590.88 and 13,296.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,086.76 : 46,590.88 = 13,296.27 : x
2. Step 2: Convert to fraction form
   31,086.76/46,590.88 = 13,296.27/x
3. Step 3: Cross multiply
   31,086.76x = 46,590.88 × 13,296.27
4. Step 4: Simplify right side
   31,086.76x = 619,485,061.49
5. Step 5: Solve for x
   x = 619,485,061.49/31,086.76
6. Step 6: Final answer
   x = 19,927.62