Finding the Fourth Proportional to 1,109.52, 1,537.61 and 1,093.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.52 : 1,537.61 = 1,093.86 : x
2. Step 2: Convert to fraction form
   1,109.52/1,537.61 = 1,093.86/x
3. Step 3: Cross multiply
   1,109.52x = 1,537.61 × 1,093.86
4. Step 4: Simplify right side
   1,109.52x = 1,681,928.43
5. Step 5: Solve for x
   x = 1,681,928.43/1,109.52
6. Step 6: Final answer
   x = 1,515.91