Finding the Fourth Proportional to 13,095.62, 19,630.83 and 8,402.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,095.62 : 19,630.83 = 8,402.54 : x
2. Step 2: Convert to fraction form
   13,095.62/19,630.83 = 8,402.54/x
3. Step 3: Cross multiply
   13,095.62x = 19,630.83 × 8,402.54
4. Step 4: Simplify right side
   13,095.62x = 164,948,834.31
5. Step 5: Solve for x
   x = 164,948,834.31/13,095.62
6. Step 6: Final answer
   x = 12,595.73