Finding the Fourth Proportional to 1,063.53, 1,593.27 and 900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.53 : 1,593.27 = 900.72 : x
2. Step 2: Convert to fraction form
   1,063.53/1,593.27 = 900.72/x
3. Step 3: Cross multiply
   1,063.53x = 1,593.27 × 900.72
4. Step 4: Simplify right side
   1,063.53x = 1,435,090.15
5. Step 5: Solve for x
   x = 1,435,090.15/1,063.53
6. Step 6: Final answer
   x = 1,349.36