Finding the Fourth Proportional to 34,287.88, 47,321.82 and 19,186.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,287.88 : 47,321.82 = 19,186.34 : x
2. Step 2: Convert to fraction form
   34,287.88/47,321.82 = 19,186.34/x
3. Step 3: Cross multiply
   34,287.88x = 47,321.82 × 19,186.34
4. Step 4: Simplify right side
   34,287.88x = 907,932,527.94
5. Step 5: Solve for x
   x = 907,932,527.94/34,287.88
6. Step 6: Final answer
   x = 26,479.69