Finding the Fourth Proportional to 31,063.41, 42,844.35 and 19,723.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,063.41 : 42,844.35 = 19,723.05 : x
2. Step 2: Convert to fraction form
   31,063.41/42,844.35 = 19,723.05/x
3. Step 3: Cross multiply
   31,063.41x = 42,844.35 × 19,723.05
4. Step 4: Simplify right side
   31,063.41x = 845,021,257.27
5. Step 5: Solve for x
   x = 845,021,257.27/31,063.41
6. Step 6: Final answer
   x = 27,203.11