Finding the Fourth Proportional to 34,061.52, 46,978.27 and 22,128.70

Step by Step Solution

1. Step 1: Write the proportion equation
   34,061.52 : 46,978.27 = 22,128.70 : x
2. Step 2: Convert to fraction form
   34,061.52/46,978.27 = 22,128.70/x
3. Step 3: Cross multiply
   34,061.52x = 46,978.27 × 22,128.70
4. Step 4: Simplify right side
   34,061.52x = 1,039,568,043.35
5. Step 5: Solve for x
   x = 1,039,568,043.35/34,061.52
6. Step 6: Final answer
   x = 30,520.31