Finding the Fourth Proportional to 42,886.72, 64,322.52 and 16,569.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,886.72 : 64,322.52 = 16,569.82 : x
2. Step 2: Convert to fraction form
   42,886.72/64,322.52 = 16,569.82/x
3. Step 3: Cross multiply
   42,886.72x = 64,322.52 × 16,569.82
4. Step 4: Simplify right side
   42,886.72x = 1,065,812,578.35
5. Step 5: Solve for x
   x = 1,065,812,578.35/42,886.72
6. Step 6: Final answer
   x = 24,851.81