Finding the Fourth Proportional to 12,712.53, 17,543.37 and 7,047.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,712.53 : 17,543.37 = 7,047.37 : x
2. Step 2: Convert to fraction form
   12,712.53/17,543.37 = 7,047.37/x
3. Step 3: Cross multiply
   12,712.53x = 17,543.37 × 7,047.37
4. Step 4: Simplify right side
   12,712.53x = 123,634,667.79
5. Step 5: Solve for x
   x = 123,634,667.79/12,712.53
6. Step 6: Final answer
   x = 9,725.42