Finding the Fourth Proportional to 4,724.51, 7,085.50 and 1,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,724.51 : 7,085.50 = 1,436.72 : x
2. Step 2: Convert to fraction form
   4,724.51/7,085.50 = 1,436.72/x
3. Step 3: Cross multiply
   4,724.51x = 7,085.50 × 1,436.72
4. Step 4: Simplify right side
   4,724.51x = 10,179,893.68
5. Step 5: Solve for x
   x = 10,179,893.68/4,724.51
6. Step 6: Final answer
   x = 2,154.70