Finding the Fourth Proportional to 1,146.42, 1,580.58 and 925.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.42 : 1,580.58 = 925.02 : x
2. Step 2: Convert to fraction form
   1,146.42/1,580.58 = 925.02/x
3. Step 3: Cross multiply
   1,146.42x = 1,580.58 × 925.02
4. Step 4: Simplify right side
   1,146.42x = 1,462,068.11
5. Step 5: Solve for x
   x = 1,462,068.11/1,146.42
6. Step 6: Final answer
   x = 1,275.33