Finding the Fourth Proportional to 31,010.58, 42,772.86 and 19,058.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,010.58 : 42,772.86 = 19,058.22 : x
2. Step 2: Convert to fraction form
   31,010.58/42,772.86 = 19,058.22/x
3. Step 3: Cross multiply
   31,010.58x = 42,772.86 × 19,058.22
4. Step 4: Simplify right side
   31,010.58x = 815,174,575.91
5. Step 5: Solve for x
   x = 815,174,575.91/31,010.58
6. Step 6: Final answer
   x = 26,286.98