Finding the Fourth Proportional to 1,914.52, 2,870.34 and 940.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.52 : 2,870.34 = 940.12 : x
2. Step 2: Convert to fraction form
   1,914.52/2,870.34 = 940.12/x
3. Step 3: Cross multiply
   1,914.52x = 2,870.34 × 940.12
4. Step 4: Simplify right side
   1,914.52x = 2,698,464.04
5. Step 5: Solve for x
   x = 2,698,464.04/1,914.52
6. Step 6: Final answer
   x = 1,409.47