Finding the Fourth Proportional to 2,124.15, 3,186.76 and 969.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.15 : 3,186.76 = 969.63 : x
2. Step 2: Convert to fraction form
   2,124.15/3,186.76 = 969.63/x
3. Step 3: Cross multiply
   2,124.15x = 3,186.76 × 969.63
4. Step 4: Simplify right side
   2,124.15x = 3,089,978.10
5. Step 5: Solve for x
   x = 3,089,978.10/2,124.15
6. Step 6: Final answer
   x = 1,454.69