Finding the Fourth Proportional to 2,071.50, 3,105.60 and 975.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.50 : 3,105.60 = 975.60 : x
2. Step 2: Convert to fraction form
   2,071.50/3,105.60 = 975.60/x
3. Step 3: Cross multiply
   2,071.50x = 3,105.60 × 975.60
4. Step 4: Simplify right side
   2,071.50x = 3,029,823.36
5. Step 5: Solve for x
   x = 3,029,823.36/2,071.50
6. Step 6: Final answer
   x = 1,462.62