Finding the Fourth Proportional to 31,499.91, 47,019.35 and 27,763.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.91 : 47,019.35 = 27,763.29 : x
2. Step 2: Convert to fraction form
   31,499.91/47,019.35 = 27,763.29/x
3. Step 3: Cross multiply
   31,499.91x = 47,019.35 × 27,763.29
4. Step 4: Simplify right side
   31,499.91x = 1,305,411,919.07
5. Step 5: Solve for x
   x = 1,305,411,919.07/31,499.91
6. Step 6: Final answer
   x = 41,441.77