Finding the Fourth Proportional to 13,034.56, 19,558.86 and 8,654.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,034.56 : 19,558.86 = 8,654.08 : x
2. Step 2: Convert to fraction form
   13,034.56/19,558.86 = 8,654.08/x
3. Step 3: Cross multiply
   13,034.56x = 19,558.86 × 8,654.08
4. Step 4: Simplify right side
   13,034.56x = 169,263,939.15
5. Step 5: Solve for x
   x = 169,263,939.15/13,034.56
6. Step 6: Final answer
   x = 12,985.78