Finding the Fourth Proportional to 32,830.56, 45,308.52 and 18,687.96

Step by Step Solution

1. Step 1: Write the proportion equation
   32,830.56 : 45,308.52 = 18,687.96 : x
2. Step 2: Convert to fraction form
   32,830.56/45,308.52 = 18,687.96/x
3. Step 3: Cross multiply
   32,830.56x = 45,308.52 × 18,687.96
4. Step 4: Simplify right side
   32,830.56x = 846,723,809.42
5. Step 5: Solve for x
   x = 846,723,809.42/32,830.56
6. Step 6: Final answer
   x = 25,790.72