Finding the Fourth Proportional to 1,375.35, 2,056.62 and 912.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.35 : 2,056.62 = 912.42 : x
2. Step 2: Convert to fraction form
   1,375.35/2,056.62 = 912.42/x
3. Step 3: Cross multiply
   1,375.35x = 2,056.62 × 912.42
4. Step 4: Simplify right side
   1,375.35x = 1,876,501.22
5. Step 5: Solve for x
   x = 1,876,501.22/1,375.35
6. Step 6: Final answer
   x = 1,364.38