Finding the Fourth Proportional to 1,491.42, 2,222.14 and 1,407.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.42 : 2,222.14 = 1,407.59 : x
2. Step 2: Convert to fraction form
   1,491.42/2,222.14 = 1,407.59/x
3. Step 3: Cross multiply
   1,491.42x = 2,222.14 × 1,407.59
4. Step 4: Simplify right side
   1,491.42x = 3,127,859.06
5. Step 5: Solve for x
   x = 3,127,859.06/1,491.42
6. Step 6: Final answer
   x = 2,097.23