Finding the Fourth Proportional to 1,425.07, 2,134.06 and 1,219.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.07 : 2,134.06 = 1,219.33 : x
2. Step 2: Convert to fraction form
   1,425.07/2,134.06 = 1,219.33/x
3. Step 3: Cross multiply
   1,425.07x = 2,134.06 × 1,219.33
4. Step 4: Simplify right side
   1,425.07x = 2,602,123.38
5. Step 5: Solve for x
   x = 2,602,123.38/1,425.07
6. Step 6: Final answer
   x = 1,825.96