Finding the Fourth Proportional to 1,472.30, 2,196.94 and 1,316.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.30 : 2,196.94 = 1,316.94 : x
2. Step 2: Convert to fraction form
   1,472.30/2,196.94 = 1,316.94/x
3. Step 3: Cross multiply
   1,472.30x = 2,196.94 × 1,316.94
4. Step 4: Simplify right side
   1,472.30x = 2,893,238.16
5. Step 5: Solve for x
   x = 2,893,238.16/1,472.30
6. Step 6: Final answer
   x = 1,965.11