Finding the Fourth Proportional to 12,733.76, 17,570.72 and 7,354.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,733.76 : 17,570.72 = 7,354.16 : x
2. Step 2: Convert to fraction form
   12,733.76/17,570.72 = 7,354.16/x
3. Step 3: Cross multiply
   12,733.76x = 17,570.72 × 7,354.16
4. Step 4: Simplify right side
   12,733.76x = 129,217,886.20
5. Step 5: Solve for x
   x = 129,217,886.20/12,733.76
6. Step 6: Final answer
   x = 10,147.66