Finding the Fourth Proportional to 42,742.16, 64,083 and 16,424.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,742.16 : 64,083 = 16,424.72 : x
2. Step 2: Convert to fraction form
   42,742.16/64,083 = 16,424.72/x
3. Step 3: Cross multiply
   42,742.16x = 64,083 × 16,424.72
4. Step 4: Simplify right side
   42,742.16x = 1,052,545,331.76
5. Step 5: Solve for x
   x = 1,052,545,331.76/42,742.16
6. Step 6: Final answer
   x = 24,625.46