Finding the Fourth Proportional to 1,151.86, 1,588.59 and 973.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.86 : 1,588.59 = 973.28 : x
2. Step 2: Convert to fraction form
   1,151.86/1,588.59 = 973.28/x
3. Step 3: Cross multiply
   1,151.86x = 1,588.59 × 973.28
4. Step 4: Simplify right side
   1,151.86x = 1,546,134.84
5. Step 5: Solve for x
   x = 1,546,134.84/1,151.86
6. Step 6: Final answer
   x = 1,342.30