Finding the Fourth Proportional to 1,345.00, 1,856.18 and 896.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.00 : 1,856.18 = 896.09 : x
2. Step 2: Convert to fraction form
   1,345.00/1,856.18 = 896.09/x
3. Step 3: Cross multiply
   1,345.00x = 1,856.18 × 896.09
4. Step 4: Simplify right side
   1,345.00x = 1,663,307.86
5. Step 5: Solve for x
   x = 1,663,307.86/1,345.00
6. Step 6: Final answer
   x = 1,236.66