Finding the Fourth Proportional to 1,670.83, 2,305.67 and 924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670.83 : 2,305.67 = 924.72 : x
2. Step 2: Convert to fraction form
   1,670.83/2,305.67 = 924.72/x
3. Step 3: Cross multiply
   1,670.83x = 2,305.67 × 924.72
4. Step 4: Simplify right side
   1,670.83x = 2,132,085.89
5. Step 5: Solve for x
   x = 2,132,085.89/1,670.83
6. Step 6: Final answer
   x = 1,276.07