Finding the Fourth Proportional to 1,374.84, 1,895.68 and 955.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.84 : 1,895.68 = 955.55 : x
2. Step 2: Convert to fraction form
   1,374.84/1,895.68 = 955.55/x
3. Step 3: Cross multiply
   1,374.84x = 1,895.68 × 955.55
4. Step 4: Simplify right side
   1,374.84x = 1,811,409.61
5. Step 5: Solve for x
   x = 1,811,409.61/1,374.84
6. Step 6: Final answer
   x = 1,317.55