Finding the Fourth Proportional to 2,051.01, 3,076.71 and 881.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.01 : 3,076.71 = 881.40 : x
2. Step 2: Convert to fraction form
   2,051.01/3,076.71 = 881.40/x
3. Step 3: Cross multiply
   2,051.01x = 3,076.71 × 881.40
4. Step 4: Simplify right side
   2,051.01x = 2,711,812.19
5. Step 5: Solve for x
   x = 2,711,812.19/2,051.01
6. Step 6: Final answer
   x = 1,322.18