Finding the Fourth Proportional to 1,907.34, 2,632.56 and 1,121.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.34 : 2,632.56 = 1,121.52 : x
2. Step 2: Convert to fraction form
   1,907.34/2,632.56 = 1,121.52/x
3. Step 3: Cross multiply
   1,907.34x = 2,632.56 × 1,121.52
4. Step 4: Simplify right side
   1,907.34x = 2,952,468.69
5. Step 5: Solve for x
   x = 2,952,468.69/1,907.34
6. Step 6: Final answer
   x = 1,547.95