Finding the Fourth Proportional to 12,358.63, 17,068.76 and 8,372.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,358.63 : 17,068.76 = 8,372.82 : x
2. Step 2: Convert to fraction form
   12,358.63/17,068.76 = 8,372.82/x
3. Step 3: Cross multiply
   12,358.63x = 17,068.76 × 8,372.82
4. Step 4: Simplify right side
   12,358.63x = 142,913,655.10
5. Step 5: Solve for x
   x = 142,913,655.10/12,358.63
6. Step 6: Final answer
   x = 11,563.88