Finding the Fourth Proportional to 1,893.90, 2,613.60 and 1,147.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.90 : 2,613.60 = 1,147.34 : x
2. Step 2: Convert to fraction form
   1,893.90/2,613.60 = 1,147.34/x
3. Step 3: Cross multiply
   1,893.90x = 2,613.60 × 1,147.34
4. Step 4: Simplify right side
   1,893.90x = 2,998,687.82
5. Step 5: Solve for x
   x = 2,998,687.82/1,893.90
6. Step 6: Final answer
   x = 1,583.34