Finding the Fourth Proportional to 1,341.18, 1,851.78 and 900.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.18 : 1,851.78 = 900.14 : x
2. Step 2: Convert to fraction form
   1,341.18/1,851.78 = 900.14/x
3. Step 3: Cross multiply
   1,341.18x = 1,851.78 × 900.14
4. Step 4: Simplify right side
   1,341.18x = 1,666,861.25
5. Step 5: Solve for x
   x = 1,666,861.25/1,341.18
6. Step 6: Final answer
   x = 1,242.83