Finding the Fourth Proportional to 1,715.78, 2,367.77 and 929.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.78 : 2,367.77 = 929.82 : x
2. Step 2: Convert to fraction form
   1,715.78/2,367.77 = 929.82/x
3. Step 3: Cross multiply
   1,715.78x = 2,367.77 × 929.82
4. Step 4: Simplify right side
   1,715.78x = 2,201,595.25
5. Step 5: Solve for x
   x = 2,201,595.25/1,715.78
6. Step 6: Final answer
   x = 1,283.15