Finding the Fourth Proportional to 42,364.17, 63,546.71 and 12,782.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,364.17 : 63,546.71 = 12,782.27 : x
2. Step 2: Convert to fraction form
   42,364.17/63,546.71 = 12,782.27/x
3. Step 3: Cross multiply
   42,364.17x = 63,546.71 × 12,782.27
4. Step 4: Simplify right side
   42,364.17x = 812,270,823.19
5. Step 5: Solve for x
   x = 812,270,823.19/42,364.17
6. Step 6: Final answer
   x = 19,173.53