Finding the Fourth Proportional to 1,093.08, 1,507.59 and 871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.08 : 1,507.59 = 871.50 : x
2. Step 2: Convert to fraction form
   1,093.08/1,507.59 = 871.50/x
3. Step 3: Cross multiply
   1,093.08x = 1,507.59 × 871.50
4. Step 4: Simplify right side
   1,093.08x = 1,313,864.69
5. Step 5: Solve for x
   x = 1,313,864.69/1,093.08
6. Step 6: Final answer
   x = 1,201.98