Finding the Fourth Proportional to 1,397.53, 1,929.89 and 901.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.53 : 1,929.89 = 901.03 : x
2. Step 2: Convert to fraction form
   1,397.53/1,929.89 = 901.03/x
3. Step 3: Cross multiply
   1,397.53x = 1,929.89 × 901.03
4. Step 4: Simplify right side
   1,397.53x = 1,738,888.79
5. Step 5: Solve for x
   x = 1,738,888.79/1,397.53
6. Step 6: Final answer
   x = 1,244.26