Finding the Fourth Proportional to 1,337.47, 1,997.32 and 1,322.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.47 : 1,997.32 = 1,322.99 : x
2. Step 2: Convert to fraction form
   1,337.47/1,997.32 = 1,322.99/x
3. Step 3: Cross multiply
   1,337.47x = 1,997.32 × 1,322.99
4. Step 4: Simplify right side
   1,337.47x = 2,642,431.08
5. Step 5: Solve for x
   x = 2,642,431.08/1,337.47
6. Step 6: Final answer
   x = 1,975.69