Finding the Fourth Proportional to 2,827.56, 3,905.31 and 1,881.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,827.56 : 3,905.31 = 1,881.72 : x
2. Step 2: Convert to fraction form
   2,827.56/3,905.31 = 1,881.72/x
3. Step 3: Cross multiply
   2,827.56x = 3,905.31 × 1,881.72
4. Step 4: Simplify right side
   2,827.56x = 7,348,699.93
5. Step 5: Solve for x
   x = 7,348,699.93/2,827.56
6. Step 6: Final answer
   x = 2,598.95