Finding the Fourth Proportional to 1,156.31, 1,595.56 and 684.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.31 : 1,595.56 = 684.13 : x
2. Step 2: Convert to fraction form
   1,156.31/1,595.56 = 684.13/x
3. Step 3: Cross multiply
   1,156.31x = 1,595.56 × 684.13
4. Step 4: Simplify right side
   1,156.31x = 1,091,570.46
5. Step 5: Solve for x
   x = 1,091,570.46/1,156.31
6. Step 6: Final answer
   x = 944.01