Finding the Fourth Proportional to 1,366.76, 1,888.59 and 973.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.76 : 1,888.59 = 973.10 : x
2. Step 2: Convert to fraction form
   1,366.76/1,888.59 = 973.10/x
3. Step 3: Cross multiply
   1,366.76x = 1,888.59 × 973.10
4. Step 4: Simplify right side
   1,366.76x = 1,837,777.49
5. Step 5: Solve for x
   x = 1,837,777.49/1,366.76
6. Step 6: Final answer
   x = 1,344.63