Finding the Fourth Proportional to 12,736.47, 17,575.35 and 7,070.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.47 : 17,575.35 = 7,070.69 : x
2. Step 2: Convert to fraction form
   12,736.47/17,575.35 = 7,070.69/x
3. Step 3: Cross multiply
   12,736.47x = 17,575.35 × 7,070.69
4. Step 4: Simplify right side
   12,736.47x = 124,269,868.91
5. Step 5: Solve for x
   x = 124,269,868.91/12,736.47
6. Step 6: Final answer
   x = 9,757.01