Finding the Fourth Proportional to 1,985.46, 2,975.94 and 1,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.46 : 2,975.94 = 1,009.50 : x
2. Step 2: Convert to fraction form
   1,985.46/2,975.94 = 1,009.50/x
3. Step 3: Cross multiply
   1,985.46x = 2,975.94 × 1,009.50
4. Step 4: Simplify right side
   1,985.46x = 3,004,211.43
5. Step 5: Solve for x
   x = 3,004,211.43/1,985.46
6. Step 6: Final answer
   x = 1,513.11