Finding the Fourth Proportional to 1,341.72, 1,852.16 and 900.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.72 : 1,852.16 = 900.32 : x
2. Step 2: Convert to fraction form
   1,341.72/1,852.16 = 900.32/x
3. Step 3: Cross multiply
   1,341.72x = 1,852.16 × 900.32
4. Step 4: Simplify right side
   1,341.72x = 1,667,536.69
5. Step 5: Solve for x
   x = 1,667,536.69/1,341.72
6. Step 6: Final answer
   x = 1,242.84