Finding the Fourth Proportional to 1,595.51, 2,201.61 and 1,007.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595.51 : 2,201.61 = 1,007.04 : x
2. Step 2: Convert to fraction form
   1,595.51/2,201.61 = 1,007.04/x
3. Step 3: Cross multiply
   1,595.51x = 2,201.61 × 1,007.04
4. Step 4: Simplify right side
   1,595.51x = 2,217,109.33
5. Step 5: Solve for x
   x = 2,217,109.33/1,595.51
6. Step 6: Final answer
   x = 1,389.59