Finding the Fourth Proportional to 9,687.12, 14,533.05 and 3,113.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,687.12 : 14,533.05 = 3,113.94 : x
2. Step 2: Convert to fraction form
   9,687.12/14,533.05 = 3,113.94/x
3. Step 3: Cross multiply
   9,687.12x = 14,533.05 × 3,113.94
4. Step 4: Simplify right side
   9,687.12x = 45,255,045.72
5. Step 5: Solve for x
   x = 45,255,045.72/9,687.12
6. Step 6: Final answer
   x = 4,671.67