Finding the Fourth Proportional to 12,865.04, 17,746.32 and 7,558.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,865.04 : 17,746.32 = 7,558.76 : x
2. Step 2: Convert to fraction form
   12,865.04/17,746.32 = 7,558.76/x
3. Step 3: Cross multiply
   12,865.04x = 17,746.32 × 7,558.76
4. Step 4: Simplify right side
   12,865.04x = 134,140,173.76
5. Step 5: Solve for x
   x = 134,140,173.76/12,865.04
6. Step 6: Final answer
   x = 10,426.72