Finding the Fourth Proportional to 34,120.29, 47,086.10 and 19,782.90

Step by Step Solution

1. Step 1: Write the proportion equation
   34,120.29 : 47,086.10 = 19,782.90 : x
2. Step 2: Convert to fraction form
   34,120.29/47,086.10 = 19,782.90/x
3. Step 3: Cross multiply
   34,120.29x = 47,086.10 × 19,782.90
4. Step 4: Simplify right side
   34,120.29x = 931,499,508.78
5. Step 5: Solve for x
   x = 931,499,508.78/34,120.29
6. Step 6: Final answer
   x = 27,300.46