Finding the Fourth Proportional to 2,984.16, 4,117.52 and 1,805

Step by Step Solution

1. Step 1: Write the proportion equation
   2,984.16 : 4,117.52 = 1,805 : x
2. Step 2: Convert to fraction form
   2,984.16/4,117.52 = 1,805/x
3. Step 3: Cross multiply
   2,984.16x = 4,117.52 × 1,805
4. Step 4: Simplify right side
   2,984.16x = 7,432,123.60
5. Step 5: Solve for x
   x = 7,432,123.60/2,984.16
6. Step 6: Final answer
   x = 2,490.52