Finding the Fourth Proportional to 2,445.75, 3,663.50 and 1,923.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.75 : 3,663.50 = 1,923.30 : x
2. Step 2: Convert to fraction form
   2,445.75/3,663.50 = 1,923.30/x
3. Step 3: Cross multiply
   2,445.75x = 3,663.50 × 1,923.30
4. Step 4: Simplify right side
   2,445.75x = 7,045,999.93
5. Step 5: Solve for x
   x = 7,045,999.93/2,445.75
6. Step 6: Final answer
   x = 2,880.92