Finding the Fourth Proportional to 1,342.42, 2,011.74 and 1,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.42 : 2,011.74 = 1,268.50 : x
2. Step 2: Convert to fraction form
   1,342.42/2,011.74 = 1,268.50/x
3. Step 3: Cross multiply
   1,342.42x = 2,011.74 × 1,268.50
4. Step 4: Simplify right side
   1,342.42x = 2,551,892.19
5. Step 5: Solve for x
   x = 2,551,892.19/1,342.42
6. Step 6: Final answer
   x = 1,900.96