Finding the Fourth Proportional to 2,152.71, 2,970.81 and 1,365.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.71 : 2,970.81 = 1,365.93 : x
2. Step 2: Convert to fraction form
   2,152.71/2,970.81 = 1,365.93/x
3. Step 3: Cross multiply
   2,152.71x = 2,970.81 × 1,365.93
4. Step 4: Simplify right side
   2,152.71x = 4,057,918.50
5. Step 5: Solve for x
   x = 4,057,918.50/2,152.71
6. Step 6: Final answer
   x = 1,885.03