Finding the Fourth Proportional to 1,530.92, 2,111.59 and 941.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.92 : 2,111.59 = 941.78 : x
2. Step 2: Convert to fraction form
   1,530.92/2,111.59 = 941.78/x
3. Step 3: Cross multiply
   1,530.92x = 2,111.59 × 941.78
4. Step 4: Simplify right side
   1,530.92x = 1,988,653.23
5. Step 5: Solve for x
   x = 1,988,653.23/1,530.92
6. Step 6: Final answer
   x = 1,298.99