Finding the Fourth Proportional to 14,285.95, 21,434.56 and 4,426.00

Step by Step Solution

1. Step 1: Write the proportion equation
   14,285.95 : 21,434.56 = 4,426.00 : x
2. Step 2: Convert to fraction form
   14,285.95/21,434.56 = 4,426.00/x
3. Step 3: Cross multiply
   14,285.95x = 21,434.56 × 4,426.00
4. Step 4: Simplify right side
   14,285.95x = 94,869,255.39
5. Step 5: Solve for x
   x = 94,869,255.39/14,285.95
6. Step 6: Final answer
   x = 6,640.74