Finding the Fourth Proportional to 32,680.18, 45,099.93 and 18,535.78

Step by Step Solution

1. Step 1: Write the proportion equation
   32,680.18 : 45,099.93 = 18,535.78 : x
2. Step 2: Convert to fraction form
   32,680.18/45,099.93 = 18,535.78/x
3. Step 3: Cross multiply
   32,680.18x = 45,099.93 × 18,535.78
4. Step 4: Simplify right side
   32,680.18x = 835,962,380.50
5. Step 5: Solve for x
   x = 835,962,380.50/32,680.18
6. Step 6: Final answer
   x = 25,580.10