Finding the Fourth Proportional to 1,148.79, 1,585.31 and 651.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.79 : 1,585.31 = 651.42 : x
2. Step 2: Convert to fraction form
   1,148.79/1,585.31 = 651.42/x
3. Step 3: Cross multiply
   1,148.79x = 1,585.31 × 651.42
4. Step 4: Simplify right side
   1,148.79x = 1,032,699.38
5. Step 5: Solve for x
   x = 1,032,699.38/1,148.79
6. Step 6: Final answer
   x = 898.95