Finding the Fourth Proportional to 2,875.53, 3,966.77 and 1,931.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.53 : 3,966.77 = 1,931.54 : x
2. Step 2: Convert to fraction form
   2,875.53/3,966.77 = 1,931.54/x
3. Step 3: Cross multiply
   2,875.53x = 3,966.77 × 1,931.54
4. Step 4: Simplify right side
   2,875.53x = 7,661,945.43
5. Step 5: Solve for x
   x = 7,661,945.43/2,875.53
6. Step 6: Final answer
   x = 2,664.53