Finding the Fourth Proportional to 30,381.10, 41,945.43 and 19,066.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,381.10 : 41,945.43 = 19,066.12 : x
2. Step 2: Convert to fraction form
   30,381.10/41,945.43 = 19,066.12/x
3. Step 3: Cross multiply
   30,381.10x = 41,945.43 × 19,066.12
4. Step 4: Simplify right side
   30,381.10x = 799,736,601.83
5. Step 5: Solve for x
   x = 799,736,601.83/30,381.10
6. Step 6: Final answer
   x = 26,323.49