Finding the Fourth Proportional to 2,151.29, 2,967.93 and 1,405.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.29 : 2,967.93 = 1,405.01 : x
2. Step 2: Convert to fraction form
   2,151.29/2,967.93 = 1,405.01/x
3. Step 3: Cross multiply
   2,151.29x = 2,967.93 × 1,405.01
4. Step 4: Simplify right side
   2,151.29x = 4,169,971.33
5. Step 5: Solve for x
   x = 4,169,971.33/2,151.29
6. Step 6: Final answer
   x = 1,938.36