Finding the Fourth Proportional to 1,460.45, 2,188.91 and 1,072.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,460.45 : 2,188.91 = 1,072.10 : x
2. Step 2: Convert to fraction form
   1,460.45/2,188.91 = 1,072.10/x
3. Step 3: Cross multiply
   1,460.45x = 2,188.91 × 1,072.10
4. Step 4: Simplify right side
   1,460.45x = 2,346,738.56
5. Step 5: Solve for x
   x = 2,346,738.56/1,460.45
6. Step 6: Final answer
   x = 1,606.86