Finding the Fourth Proportional to 25,164.29, 34,731.76 and 19,185.28

Step by Step Solution

1. Step 1: Write the proportion equation
   25,164.29 : 34,731.76 = 19,185.28 : x
2. Step 2: Convert to fraction form
   25,164.29/34,731.76 = 19,185.28/x
3. Step 3: Cross multiply
   25,164.29x = 34,731.76 × 19,185.28
4. Step 4: Simplify right side
   25,164.29x = 666,338,444.57
5. Step 5: Solve for x
   x = 666,338,444.57/25,164.29
6. Step 6: Final answer
   x = 26,479.52