Finding the Fourth Proportional to 31,094.28, 42,910.56 and 19,150.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.28 : 42,910.56 = 19,150.83 : x
2. Step 2: Convert to fraction form
   31,094.28/42,910.56 = 19,150.83/x
3. Step 3: Cross multiply
   31,094.28x = 42,910.56 × 19,150.83
4. Step 4: Simplify right side
   31,094.28x = 821,772,839.76
5. Step 5: Solve for x
   x = 821,772,839.76/31,094.28
6. Step 6: Final answer
   x = 26,428.42