Finding the Fourth Proportional to 31,101.10, 42,906.00 and 19,764.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,101.10 : 42,906.00 = 19,764.52 : x
2. Step 2: Convert to fraction form
   31,101.10/42,906.00 = 19,764.52/x
3. Step 3: Cross multiply
   31,101.10x = 42,906.00 × 19,764.52
4. Step 4: Simplify right side
   31,101.10x = 848,016,461.97
5. Step 5: Solve for x
   x = 848,016,461.97/31,101.10
6. Step 6: Final answer
   x = 27,266.45