Finding the Fourth Proportional to 1,152.85, 1,726.18 and 900.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.85 : 1,726.18 = 900.14 : x
2. Step 2: Convert to fraction form
   1,152.85/1,726.18 = 900.14/x
3. Step 3: Cross multiply
   1,152.85x = 1,726.18 × 900.14
4. Step 4: Simplify right side
   1,152.85x = 1,553,807.98
5. Step 5: Solve for x
   x = 1,553,807.98/1,152.85
6. Step 6: Final answer
   x = 1,347.80