Finding the Fourth Proportional to 2,906.90, 4,009.94 and 1,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906.90 : 4,009.94 = 1,842.72 : x
2. Step 2: Convert to fraction form
   2,906.90/4,009.94 = 1,842.72/x
3. Step 3: Cross multiply
   2,906.90x = 4,009.94 × 1,842.72
4. Step 4: Simplify right side
   2,906.90x = 7,389,196.64
5. Step 5: Solve for x
   x = 7,389,196.64/2,906.90
6. Step 6: Final answer
   x = 2,541.95