Finding the Fourth Proportional to 1,426.31, 1,969.21 and 1,094.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.31 : 1,969.21 = 1,094.11 : x
2. Step 2: Convert to fraction form
   1,426.31/1,969.21 = 1,094.11/x
3. Step 3: Cross multiply
   1,426.31x = 1,969.21 × 1,094.11
4. Step 4: Simplify right side
   1,426.31x = 2,154,528.80
5. Step 5: Solve for x
   x = 2,154,528.80/1,426.31
6. Step 6: Final answer
   x = 1,510.56