Finding the Fourth Proportional to 42,366.17, 63,549.71 and 12,784.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,366.17 : 63,549.71 = 12,784.27 : x
2. Step 2: Convert to fraction form
   42,366.17/63,549.71 = 12,784.27/x
3. Step 3: Cross multiply
   42,366.17x = 63,549.71 × 12,784.27
4. Step 4: Simplify right side
   42,366.17x = 812,436,651.06
5. Step 5: Solve for x
   x = 812,436,651.06/42,366.17
6. Step 6: Final answer
   x = 19,176.54