Finding the Fourth Proportional to 32,978.32, 45,512.32 and 18,633.18

Step by Step Solution

1. Step 1: Write the proportion equation
   32,978.32 : 45,512.32 = 18,633.18 : x
2. Step 2: Convert to fraction form
   32,978.32/45,512.32 = 18,633.18/x
3. Step 3: Cross multiply
   32,978.32x = 45,512.32 × 18,633.18
4. Step 4: Simplify right side
   32,978.32x = 848,039,250.78
5. Step 5: Solve for x
   x = 848,039,250.78/32,978.32
6. Step 6: Final answer
   x = 25,715.05