Finding the Fourth Proportional to 42,650.16, 63,989.37 and 13,068.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,650.16 : 63,989.37 = 13,068.27 : x
2. Step 2: Convert to fraction form
   42,650.16/63,989.37 = 13,068.27/x
3. Step 3: Cross multiply
   42,650.16x = 63,989.37 × 13,068.27
4. Step 4: Simplify right side
   42,650.16x = 836,230,364.29
5. Step 5: Solve for x
   x = 836,230,364.29/42,650.16
6. Step 6: Final answer
   x = 19,606.73