Finding the Fourth Proportional to 42,736.72, 64,104.38 and 16,447.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,736.72 : 64,104.38 = 16,447.16 : x
2. Step 2: Convert to fraction form
   42,736.72/64,104.38 = 16,447.16/x
3. Step 3: Cross multiply
   42,736.72x = 64,104.38 × 16,447.16
4. Step 4: Simplify right side
   42,736.72x = 1,054,334,994.56
5. Step 5: Solve for x
   x = 1,054,334,994.56/42,736.72
6. Step 6: Final answer
   x = 24,670.47