Finding the Fourth Proportional to 42,366.42, 63,550.08 and 12,784.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,366.42 : 63,550.08 = 12,784.52 : x
2. Step 2: Convert to fraction form
   42,366.42/63,550.08 = 12,784.52/x
3. Step 3: Cross multiply
   42,366.42x = 63,550.08 × 12,784.52
4. Step 4: Simplify right side
   42,366.42x = 812,456,951.01
5. Step 5: Solve for x
   x = 812,456,951.01/42,366.42
6. Step 6: Final answer
   x = 19,176.91