Finding the Fourth Proportional to 31,103.33, 42,953.15 and 19,794.11

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103.33 : 42,953.15 = 19,794.11 : x
2. Step 2: Convert to fraction form
   31,103.33/42,953.15 = 19,794.11/x
3. Step 3: Cross multiply
   31,103.33x = 42,953.15 × 19,794.11
4. Step 4: Simplify right side
   31,103.33x = 850,219,210.67
5. Step 5: Solve for x
   x = 850,219,210.67/31,103.33
6. Step 6: Final answer
   x = 27,335.32