Finding the Fourth Proportional to 1,893.58, 2,613.32 and 1,148.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.58 : 2,613.32 = 1,148.06 : x
2. Step 2: Convert to fraction form
   1,893.58/2,613.32 = 1,148.06/x
3. Step 3: Cross multiply
   1,893.58x = 2,613.32 × 1,148.06
4. Step 4: Simplify right side
   1,893.58x = 3,000,259.72
5. Step 5: Solve for x
   x = 3,000,259.72/1,893.58
6. Step 6: Final answer
   x = 1,584.44