Finding the Fourth Proportional to 32,967.78, 45,491.91 and 18,817.89

Step by Step Solution

1. Step 1: Write the proportion equation
   32,967.78 : 45,491.91 = 18,817.89 : x
2. Step 2: Convert to fraction form
   32,967.78/45,491.91 = 18,817.89/x
3. Step 3: Cross multiply
   32,967.78x = 45,491.91 × 18,817.89
4. Step 4: Simplify right side
   32,967.78x = 856,061,758.27
5. Step 5: Solve for x
   x = 856,061,758.27/32,967.78
6. Step 6: Final answer
   x = 25,966.62