Finding the Fourth Proportional to 1,382.58, 1,907.01 and 1,174.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.58 : 1,907.01 = 1,174.14 : x
2. Step 2: Convert to fraction form
   1,382.58/1,907.01 = 1,174.14/x
3. Step 3: Cross multiply
   1,382.58x = 1,907.01 × 1,174.14
4. Step 4: Simplify right side
   1,382.58x = 2,239,096.72
5. Step 5: Solve for x
   x = 2,239,096.72/1,382.58
6. Step 6: Final answer
   x = 1,619.51