Finding the Fourth Proportional to 42,791.32, 64,162.32 and 16,492.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,791.32 : 64,162.32 = 16,492.60 : x
2. Step 2: Convert to fraction form
   42,791.32/64,162.32 = 16,492.60/x
3. Step 3: Cross multiply
   42,791.32x = 64,162.32 × 16,492.60
4. Step 4: Simplify right side
   42,791.32x = 1,058,203,478.83
5. Step 5: Solve for x
   x = 1,058,203,478.83/42,791.32
6. Step 6: Final answer
   x = 24,729.40