Finding the Fourth Proportional to 3,172.50, 4,757.01 and 1,091.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,172.50 : 4,757.01 = 1,091.34 : x
2. Step 2: Convert to fraction form
   3,172.50/4,757.01 = 1,091.34/x
3. Step 3: Cross multiply
   3,172.50x = 4,757.01 × 1,091.34
4. Step 4: Simplify right side
   3,172.50x = 5,191,515.29
5. Step 5: Solve for x
   x = 5,191,515.29/3,172.50
6. Step 6: Final answer
   x = 1,636.41