Finding the Fourth Proportional to 1,146.14, 1,580.86 and 1,051.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.14 : 1,580.86 = 1,051.92 : x
2. Step 2: Convert to fraction form
   1,146.14/1,580.86 = 1,051.92/x
3. Step 3: Cross multiply
   1,146.14x = 1,580.86 × 1,051.92
4. Step 4: Simplify right side
   1,146.14x = 1,662,929.69
5. Step 5: Solve for x
   x = 1,662,929.69/1,146.14
6. Step 6: Final answer
   x = 1,450.89