Finding the Fourth Proportional to 1,153.38, 1,592.00 and 681.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.38 : 1,592.00 = 681.35 : x
2. Step 2: Convert to fraction form
   1,153.38/1,592.00 = 681.35/x
3. Step 3: Cross multiply
   1,153.38x = 1,592.00 × 681.35
4. Step 4: Simplify right side
   1,153.38x = 1,084,709.77
5. Step 5: Solve for x
   x = 1,084,709.77/1,153.38
6. Step 6: Final answer
   x = 940.46