Finding the Fourth Proportional to 31,058.33, 42,837.93 and 19,117.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,058.33 : 42,837.93 = 19,117.31 : x
2. Step 2: Convert to fraction form
   31,058.33/42,837.93 = 19,117.31/x
3. Step 3: Cross multiply
   31,058.33x = 42,837.93 × 19,117.31
4. Step 4: Simplify right side
   31,058.33x = 818,945,773.38
5. Step 5: Solve for x
   x = 818,945,773.38/31,058.33
6. Step 6: Final answer
   x = 26,368.00