Finding the Fourth Proportional to 1,030.52, 1,544.42 and 900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.52 : 1,544.42 = 900.18 : x
2. Step 2: Convert to fraction form
   1,030.52/1,544.42 = 900.18/x
3. Step 3: Cross multiply
   1,030.52x = 1,544.42 × 900.18
4. Step 4: Simplify right side
   1,030.52x = 1,390,256.00
5. Step 5: Solve for x
   x = 1,390,256.00/1,030.52
6. Step 6: Final answer
   x = 1,349.08