Finding the Fourth Proportional to 42,746.72, 64,119.38 and 16,457.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,746.72 : 64,119.38 = 16,457.16 : x
2. Step 2: Convert to fraction form
   42,746.72/64,119.38 = 16,457.16/x
3. Step 3: Cross multiply
   42,746.72x = 64,119.38 × 16,457.16
4. Step 4: Simplify right side
   42,746.72x = 1,055,222,895.76
5. Step 5: Solve for x
   x = 1,055,222,895.76/42,746.72
6. Step 6: Final answer
   x = 24,685.47