Finding the Fourth Proportional to 1,310.76, 1,973.94 and 1,182.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310.76 : 1,973.94 = 1,182.24 : x
2. Step 2: Convert to fraction form
   1,310.76/1,973.94 = 1,182.24/x
3. Step 3: Cross multiply
   1,310.76x = 1,973.94 × 1,182.24
4. Step 4: Simplify right side
   1,310.76x = 2,333,670.83
5. Step 5: Solve for x
   x = 2,333,670.83/1,310.76
6. Step 6: Final answer
   x = 1,780.40