Finding the Fourth Proportional to 10,746.04, 16,104.32 and 8,111.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,746.04 : 16,104.32 = 8,111.30 : x
2. Step 2: Convert to fraction form
   10,746.04/16,104.32 = 8,111.30/x
3. Step 3: Cross multiply
   10,746.04x = 16,104.32 × 8,111.30
4. Step 4: Simplify right side
   10,746.04x = 130,626,970.82
5. Step 5: Solve for x
   x = 130,626,970.82/10,746.04
6. Step 6: Final answer
   x = 12,155.82