Finding the Fourth Proportional to 13,274.01, 19,898.87 and 8,595.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,274.01 : 19,898.87 = 8,595.72 : x
2. Step 2: Convert to fraction form
   13,274.01/19,898.87 = 8,595.72/x
3. Step 3: Cross multiply
   13,274.01x = 19,898.87 × 8,595.72
4. Step 4: Simplify right side
   13,274.01x = 171,045,071.86
5. Step 5: Solve for x
   x = 171,045,071.86/13,274.01
6. Step 6: Final answer
   x = 12,885.71