Finding the Fourth Proportional to 2,156.89, 2,973.50 and 1,823.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.89 : 2,973.50 = 1,823.98 : x
2. Step 2: Convert to fraction form
   2,156.89/2,973.50 = 1,823.98/x
3. Step 3: Cross multiply
   2,156.89x = 2,973.50 × 1,823.98
4. Step 4: Simplify right side
   2,156.89x = 5,423,595.41
5. Step 5: Solve for x
   x = 5,423,595.41/2,156.89
6. Step 6: Final answer
   x = 2,514.54