Finding the Fourth Proportional to 1,148.59, 1,585.05 and 651.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.59 : 1,585.05 = 651.18 : x
2. Step 2: Convert to fraction form
   1,148.59/1,585.05 = 651.18/x
3. Step 3: Cross multiply
   1,148.59x = 1,585.05 × 651.18
4. Step 4: Simplify right side
   1,148.59x = 1,032,152.86
5. Step 5: Solve for x
   x = 1,032,152.86/1,148.59
6. Step 6: Final answer
   x = 898.63