Finding the Fourth Proportional to 42,557.32, 63,840.34 and 16,284.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,557.32 : 63,840.34 = 16,284.16 : x
2. Step 2: Convert to fraction form
   42,557.32/63,840.34 = 16,284.16/x
3. Step 3: Cross multiply
   42,557.32x = 63,840.34 × 16,284.16
4. Step 4: Simplify right side
   42,557.32x = 1,039,586,311.01
5. Step 5: Solve for x
   x = 1,039,586,311.01/42,557.32
6. Step 6: Final answer
   x = 24,427.91