Finding the Fourth Proportional to 1,940.60, 2,912.02 and 1,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.60 : 2,912.02 = 1,162.50 : x
2. Step 2: Convert to fraction form
   1,940.60/2,912.02 = 1,162.50/x
3. Step 3: Cross multiply
   1,940.60x = 2,912.02 × 1,162.50
4. Step 4: Simplify right side
   1,940.60x = 3,385,223.25
5. Step 5: Solve for x
   x = 3,385,223.25/1,940.60
6. Step 6: Final answer
   x = 1,744.42