Finding the Fourth Proportional to 12,496.72, 18,747.78 and 4,705.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496.72 : 18,747.78 = 4,705.52 : x
2. Step 2: Convert to fraction form
   12,496.72/18,747.78 = 4,705.52/x
3. Step 3: Cross multiply
   12,496.72x = 18,747.78 × 4,705.52
4. Step 4: Simplify right side
   12,496.72x = 88,218,053.75
5. Step 5: Solve for x
   x = 88,218,053.75/12,496.72
6. Step 6: Final answer
   x = 7,059.30