Finding the Fourth Proportional to 1,089.47, 1,632.03 and 973.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089.47 : 1,632.03 = 973.37 : x
2. Step 2: Convert to fraction form
   1,089.47/1,632.03 = 973.37/x
3. Step 3: Cross multiply
   1,089.47x = 1,632.03 × 973.37
4. Step 4: Simplify right side
   1,089.47x = 1,588,560.88
5. Step 5: Solve for x
   x = 1,588,560.88/1,089.47
6. Step 6: Final answer
   x = 1,458.11