Finding the Fourth Proportional to 42,417.46, 63,627 and 12,835.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,417.46 : 63,627 = 12,835.18 : x
2. Step 2: Convert to fraction form
   42,417.46/63,627 = 12,835.18/x
3. Step 3: Cross multiply
   42,417.46x = 63,627 × 12,835.18
4. Step 4: Simplify right side
   42,417.46x = 816,663,997.86
5. Step 5: Solve for x
   x = 816,663,997.86/42,417.46
6. Step 6: Final answer
   x = 19,253.02