Finding the Fourth Proportional to 12,736.06, 17,575.83 and 7,070.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.06 : 17,575.83 = 7,070.89 : x
2. Step 2: Convert to fraction form
   12,736.06/17,575.83 = 7,070.89/x
3. Step 3: Cross multiply
   12,736.06x = 17,575.83 × 7,070.89
4. Step 4: Simplify right side
   12,736.06x = 124,276,760.59
5. Step 5: Solve for x
   x = 124,276,760.59/12,736.06
6. Step 6: Final answer
   x = 9,757.87