Finding the Fourth Proportional to 1,093.34, 1,631.55 and 976.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.34 : 1,631.55 = 976.53 : x
2. Step 2: Convert to fraction form
   1,093.34/1,631.55 = 976.53/x
3. Step 3: Cross multiply
   1,093.34x = 1,631.55 × 976.53
4. Step 4: Simplify right side
   1,093.34x = 1,593,257.52
5. Step 5: Solve for x
   x = 1,593,257.52/1,093.34
6. Step 6: Final answer
   x = 1,457.24