Finding the Fourth Proportional to 2,742.59, 3,784.82 and 1,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.59 : 3,784.82 = 1,623.50 : x
2. Step 2: Convert to fraction form
   2,742.59/3,784.82 = 1,623.50/x
3. Step 3: Cross multiply
   2,742.59x = 3,784.82 × 1,623.50
4. Step 4: Simplify right side
   2,742.59x = 6,144,655.27
5. Step 5: Solve for x
   x = 6,144,655.27/2,742.59
6. Step 6: Final answer
   x = 2,240.46