Finding the Fourth Proportional to 1,346.05, 1,856.64 and 1,097.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.05 : 1,856.64 = 1,097.38 : x
2. Step 2: Convert to fraction form
   1,346.05/1,856.64 = 1,097.38/x
3. Step 3: Cross multiply
   1,346.05x = 1,856.64 × 1,097.38
4. Step 4: Simplify right side
   1,346.05x = 2,037,439.60
5. Step 5: Solve for x
   x = 2,037,439.60/1,346.05
6. Step 6: Final answer
   x = 1,513.64