Finding the Fourth Proportional to 1,533.74, 2,116.68 and 1,181.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533.74 : 2,116.68 = 1,181.48 : x
2. Step 2: Convert to fraction form
   1,533.74/2,116.68 = 1,181.48/x
3. Step 3: Cross multiply
   1,533.74x = 2,116.68 × 1,181.48
4. Step 4: Simplify right side
   1,533.74x = 2,500,815.09
5. Step 5: Solve for x
   x = 2,500,815.09/1,533.74
6. Step 6: Final answer
   x = 1,630.53