Finding the Fourth Proportional to 2,153.39, 2,970.05 and 1,367.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.39 : 2,970.05 = 1,367.69 : x
2. Step 2: Convert to fraction form
   2,153.39/2,970.05 = 1,367.69/x
3. Step 3: Cross multiply
   2,153.39x = 2,970.05 × 1,367.69
4. Step 4: Simplify right side
   2,153.39x = 4,062,086.00
5. Step 5: Solve for x
   x = 4,062,086.00/2,153.39
6. Step 6: Final answer
   x = 1,886.37