Finding the Fourth Proportional to 1,074.01, 1,612.38 and 893.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.01 : 1,612.38 = 893.61 : x
2. Step 2: Convert to fraction form
   1,074.01/1,612.38 = 893.61/x
3. Step 3: Cross multiply
   1,074.01x = 1,612.38 × 893.61
4. Step 4: Simplify right side
   1,074.01x = 1,440,834.42
5. Step 5: Solve for x
   x = 1,440,834.42/1,074.01
6. Step 6: Final answer
   x = 1,341.55