Finding the Fourth Proportional to 31,622.86, 43,644.18 and 19,047.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,622.86 : 43,644.18 = 19,047.34 : x
2. Step 2: Convert to fraction form
   31,622.86/43,644.18 = 19,047.34/x
3. Step 3: Cross multiply
   31,622.86x = 43,644.18 × 19,047.34
4. Step 4: Simplify right side
   31,622.86x = 831,305,535.48
5. Step 5: Solve for x
   x = 831,305,535.48/31,622.86
6. Step 6: Final answer
   x = 26,288.12