Finding the Fourth Proportional to 42,665.01, 63,997.92 and 13,083

Step by Step Solution

1. Step 1: Write the proportion equation
   42,665.01 : 63,997.92 = 13,083 : x
2. Step 2: Convert to fraction form
   42,665.01/63,997.92 = 13,083/x
3. Step 3: Cross multiply
   42,665.01x = 63,997.92 × 13,083
4. Step 4: Simplify right side
   42,665.01x = 837,284,787.36
5. Step 5: Solve for x
   x = 837,284,787.36/42,665.01
6. Step 6: Final answer
   x = 19,624.62