Finding the Fourth Proportional to 13,094.72, 18,070.56 and 8,624.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,094.72 : 18,070.56 = 8,624.96 : x
2. Step 2: Convert to fraction form
   13,094.72/18,070.56 = 8,624.96/x
3. Step 3: Cross multiply
   13,094.72x = 18,070.56 × 8,624.96
4. Step 4: Simplify right side
   13,094.72x = 155,857,857.18
5. Step 5: Solve for x
   x = 155,857,857.18/13,094.72
6. Step 6: Final answer
   x = 11,902.34