Finding the Fourth Proportional to 31,550.31, 47,301.91 and 19,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,550.31 : 47,301.91 = 19,067.50 : x
2. Step 2: Convert to fraction form
   31,550.31/47,301.91 = 19,067.50/x
3. Step 3: Cross multiply
   31,550.31x = 47,301.91 × 19,067.50
4. Step 4: Simplify right side
   31,550.31x = 901,929,168.93
5. Step 5: Solve for x
   x = 901,929,168.93/31,550.31
6. Step 6: Final answer
   x = 28,587.01