Finding the Fourth Proportional to 25,111.89, 34,641.21 and 19,133.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.89 : 34,641.21 = 19,133.18 : x
2. Step 2: Convert to fraction form
   25,111.89/34,641.21 = 19,133.18/x
3. Step 3: Cross multiply
   25,111.89x = 34,641.21 × 19,133.18
4. Step 4: Simplify right side
   25,111.89x = 662,796,333.14
5. Step 5: Solve for x
   x = 662,796,333.14/25,111.89
6. Step 6: Final answer
   x = 26,393.73