Finding the Fourth Proportional to 1,675.82, 2,312.57 and 929.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675.82 : 2,312.57 = 929.72 : x
2. Step 2: Convert to fraction form
   1,675.82/2,312.57 = 929.72/x
3. Step 3: Cross multiply
   1,675.82x = 2,312.57 × 929.72
4. Step 4: Simplify right side
   1,675.82x = 2,150,050.69
5. Step 5: Solve for x
   x = 2,150,050.69/1,675.82
6. Step 6: Final answer
   x = 1,282.98