Finding the Fourth Proportional to 1,374.42, 1,895.72 and 877.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.42 : 1,895.72 = 877.18 : x
2. Step 2: Convert to fraction form
   1,374.42/1,895.72 = 877.18/x
3. Step 3: Cross multiply
   1,374.42x = 1,895.72 × 877.18
4. Step 4: Simplify right side
   1,374.42x = 1,662,887.67
5. Step 5: Solve for x
   x = 1,662,887.67/1,374.42
6. Step 6: Final answer
   x = 1,209.88