Finding the Fourth Proportional to 2,069.98, 3,100.51 and 972.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.98 : 3,100.51 = 972.70 : x
2. Step 2: Convert to fraction form
   2,069.98/3,100.51 = 972.70/x
3. Step 3: Cross multiply
   2,069.98x = 3,100.51 × 972.70
4. Step 4: Simplify right side
   2,069.98x = 3,015,866.08
5. Step 5: Solve for x
   x = 3,015,866.08/2,069.98
6. Step 6: Final answer
   x = 1,456.95