Finding the Fourth Proportional to 1,385.04, 1,907.48 and 1,150.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.04 : 1,907.48 = 1,150.02 : x
2. Step 2: Convert to fraction form
   1,385.04/1,907.48 = 1,150.02/x
3. Step 3: Cross multiply
   1,385.04x = 1,907.48 × 1,150.02
4. Step 4: Simplify right side
   1,385.04x = 2,193,640.15
5. Step 5: Solve for x
   x = 2,193,640.15/1,385.04
6. Step 6: Final answer
   x = 1,583.81