Finding the Fourth Proportional to 1,970.53, 2,951.98 and 1,147.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.53 : 2,951.98 = 1,147.10 : x
2. Step 2: Convert to fraction form
   1,970.53/2,951.98 = 1,147.10/x
3. Step 3: Cross multiply
   1,970.53x = 2,951.98 × 1,147.10
4. Step 4: Simplify right side
   1,970.53x = 3,386,198.63
5. Step 5: Solve for x
   x = 3,386,198.63/1,970.53
6. Step 6: Final answer
   x = 1,718.42