Finding the Fourth Proportional to 1,770.41, 2,443.13 and 973.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.41 : 2,443.13 = 973.76 : x
2. Step 2: Convert to fraction form
   1,770.41/2,443.13 = 973.76/x
3. Step 3: Cross multiply
   1,770.41x = 2,443.13 × 973.76
4. Step 4: Simplify right side
   1,770.41x = 2,379,010.05
5. Step 5: Solve for x
   x = 2,379,010.05/1,770.41
6. Step 6: Final answer
   x = 1,343.76