Finding the Fourth Proportional to 42,664.25, 63,993.98 and 13,082.00

Step by Step Solution

1. Step 1: Write the proportion equation
   42,664.25 : 63,993.98 = 13,082.00 : x
2. Step 2: Convert to fraction form
   42,664.25/63,993.98 = 13,082.00/x
3. Step 3: Cross multiply
   42,664.25x = 63,993.98 × 13,082.00
4. Step 4: Simplify right side
   42,664.25x = 837,169,100.96
5. Step 5: Solve for x
   x = 837,169,100.96/42,664.25
6. Step 6: Final answer
   x = 19,622.26