Finding the Fourth Proportional to 1,575.06, 2,173.83 and 1,121.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.06 : 2,173.83 = 1,121.52 : x
2. Step 2: Convert to fraction form
   1,575.06/2,173.83 = 1,121.52/x
3. Step 3: Cross multiply
   1,575.06x = 2,173.83 × 1,121.52
4. Step 4: Simplify right side
   1,575.06x = 2,437,993.82
5. Step 5: Solve for x
   x = 2,437,993.82/1,575.06
6. Step 6: Final answer
   x = 1,547.87