Finding the Fourth Proportional to 1,630.52, 2,249.93 and 931.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.52 : 2,249.93 = 931.76 : x
2. Step 2: Convert to fraction form
   1,630.52/2,249.93 = 931.76/x
3. Step 3: Cross multiply
   1,630.52x = 2,249.93 × 931.76
4. Step 4: Simplify right side
   1,630.52x = 2,096,385.86
5. Step 5: Solve for x
   x = 2,096,385.86/1,630.52
6. Step 6: Final answer
   x = 1,285.72