Finding the Fourth Proportional to 1,460.60, 2,015.61 and 900.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,460.60 : 2,015.61 = 900.84 : x
2. Step 2: Convert to fraction form
   1,460.60/2,015.61 = 900.84/x
3. Step 3: Cross multiply
   1,460.60x = 2,015.61 × 900.84
4. Step 4: Simplify right side
   1,460.60x = 1,815,740.62
5. Step 5: Solve for x
   x = 1,815,740.62/1,460.60
6. Step 6: Final answer
   x = 1,243.15