Finding the Fourth Proportional to 31,010.01, 42,775.54 and 19,506.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,010.01 : 42,775.54 = 19,506.58 : x
2. Step 2: Convert to fraction form
   31,010.01/42,775.54 = 19,506.58/x
3. Step 3: Cross multiply
   31,010.01x = 42,775.54 × 19,506.58
4. Step 4: Simplify right side
   31,010.01x = 834,404,747.84
5. Step 5: Solve for x
   x = 834,404,747.84/31,010.01
6. Step 6: Final answer
   x = 26,907.60