Finding the Fourth Proportional to 31,101.77, 42,921.32 and 19,004.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,101.77 : 42,921.32 = 19,004.22 : x
2. Step 2: Convert to fraction form
   31,101.77/42,921.32 = 19,004.22/x
3. Step 3: Cross multiply
   31,101.77x = 42,921.32 × 19,004.22
4. Step 4: Simplify right side
   31,101.77x = 815,686,112.95
5. Step 5: Solve for x
   x = 815,686,112.95/31,101.77
6. Step 6: Final answer
   x = 26,226.36