Finding the Fourth Proportional to 34,527.49, 47,647.47 and 19,420.15

Step by Step Solution

1. Step 1: Write the proportion equation
   34,527.49 : 47,647.47 = 19,420.15 : x
2. Step 2: Convert to fraction form
   34,527.49/47,647.47 = 19,420.15/x
3. Step 3: Cross multiply
   34,527.49x = 47,647.47 × 19,420.15
4. Step 4: Simplify right side
   34,527.49x = 925,321,014.52
5. Step 5: Solve for x
   x = 925,321,014.52/34,527.49
6. Step 6: Final answer
   x = 26,799.54