Finding the Fourth Proportional to 2,071.86, 3,106.27 and 975.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.86 : 3,106.27 = 975.61 : x
2. Step 2: Convert to fraction form
   2,071.86/3,106.27 = 975.61/x
3. Step 3: Cross multiply
   2,071.86x = 3,106.27 × 975.61
4. Step 4: Simplify right side
   2,071.86x = 3,030,508.07
5. Step 5: Solve for x
   x = 3,030,508.07/2,071.86
6. Step 6: Final answer
   x = 1,462.70