Finding the Fourth Proportional to 42,383.38, 63,576.15 and 12,802.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,383.38 : 63,576.15 = 12,802.18 : x
2. Step 2: Convert to fraction form
   42,383.38/63,576.15 = 12,802.18/x
3. Step 3: Cross multiply
   42,383.38x = 63,576.15 × 12,802.18
4. Step 4: Simplify right side
   42,383.38x = 813,913,316.01
5. Step 5: Solve for x
   x = 813,913,316.01/42,383.38
6. Step 6: Final answer
   x = 19,203.60