Finding the Fourth Proportional to 2,172.30, 3,259.37 and 1,133.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.30 : 3,259.37 = 1,133.07 : x
2. Step 2: Convert to fraction form
   2,172.30/3,259.37 = 1,133.07/x
3. Step 3: Cross multiply
   2,172.30x = 3,259.37 × 1,133.07
4. Step 4: Simplify right side
   2,172.30x = 3,693,094.37
5. Step 5: Solve for x
   x = 3,693,094.37/2,172.30
6. Step 6: Final answer
   x = 1,700.08