Finding the Fourth Proportional to 2,091.34, 3,136.47 and 993.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.34 : 3,136.47 = 993.52 : x
2. Step 2: Convert to fraction form
   2,091.34/3,136.47 = 993.52/x
3. Step 3: Cross multiply
   2,091.34x = 3,136.47 × 993.52
4. Step 4: Simplify right side
   2,091.34x = 3,116,145.67
5. Step 5: Solve for x
   x = 3,116,145.67/2,091.34
6. Step 6: Final answer
   x = 1,490.02