Finding the Fourth Proportional to 31,064.58, 42,843.78 and 19,106.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,064.58 : 42,843.78 = 19,106.46 : x
2. Step 2: Convert to fraction form
   31,064.58/42,843.78 = 19,106.46/x
3. Step 3: Cross multiply
   31,064.58x = 42,843.78 × 19,106.46
4. Step 4: Simplify right side
   31,064.58x = 818,592,968.82
5. Step 5: Solve for x
   x = 818,592,968.82/31,064.58
6. Step 6: Final answer
   x = 26,351.33