Finding the Fourth Proportional to 1,093.96, 1,631.52 and 930.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.96 : 1,631.52 = 930.46 : x
2. Step 2: Convert to fraction form
   1,093.96/1,631.52 = 930.46/x
3. Step 3: Cross multiply
   1,093.96x = 1,631.52 × 930.46
4. Step 4: Simplify right side
   1,093.96x = 1,518,065.05
5. Step 5: Solve for x
   x = 1,518,065.05/1,093.96
6. Step 6: Final answer
   x = 1,387.68