Finding the Fourth Proportional to 1,942.12, 2,679.72 and 1,156.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.12 : 2,679.72 = 1,156.03 : x
2. Step 2: Convert to fraction form
   1,942.12/2,679.72 = 1,156.03/x
3. Step 3: Cross multiply
   1,942.12x = 2,679.72 × 1,156.03
4. Step 4: Simplify right side
   1,942.12x = 3,097,836.71
5. Step 5: Solve for x
   x = 3,097,836.71/1,942.12
6. Step 6: Final answer
   x = 1,595.08