Finding the Fourth Proportional to 4,740.79, 7,111.46 and 1,453.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,740.79 : 7,111.46 = 1,453.91 : x
2. Step 2: Convert to fraction form
   4,740.79/7,111.46 = 1,453.91/x
3. Step 3: Cross multiply
   4,740.79x = 7,111.46 × 1,453.91
4. Step 4: Simplify right side
   4,740.79x = 10,339,415.54
5. Step 5: Solve for x
   x = 10,339,415.54/4,740.79
6. Step 6: Final answer
   x = 2,180.95