Finding the Fourth Proportional to 1,770.41, 2,443.15 and 973.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.41 : 2,443.15 = 973.75 : x
2. Step 2: Convert to fraction form
   1,770.41/2,443.15 = 973.75/x
3. Step 3: Cross multiply
   1,770.41x = 2,443.15 × 973.75
4. Step 4: Simplify right side
   1,770.41x = 2,379,017.31
5. Step 5: Solve for x
   x = 2,379,017.31/1,770.41
6. Step 6: Final answer
   x = 1,343.77