Finding the Fourth Proportional to 2,124.88, 2,932.31 and 1,167.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.88 : 2,932.31 = 1,167.81 : x
2. Step 2: Convert to fraction form
   2,124.88/2,932.31 = 1,167.81/x
3. Step 3: Cross multiply
   2,124.88x = 2,932.31 × 1,167.81
4. Step 4: Simplify right side
   2,124.88x = 3,424,372.86
5. Step 5: Solve for x
   x = 3,424,372.86/2,124.88
6. Step 6: Final answer
   x = 1,611.56