Finding the Fourth Proportional to 31,300.53, 46,949.58 and 12,574.95

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300.53 : 46,949.58 = 12,574.95 : x
2. Step 2: Convert to fraction form
   31,300.53/46,949.58 = 12,574.95/x
3. Step 3: Cross multiply
   31,300.53x = 46,949.58 × 12,574.95
4. Step 4: Simplify right side
   31,300.53x = 590,388,621.02
5. Step 5: Solve for x
   x = 590,388,621.02/31,300.53
6. Step 6: Final answer
   x = 18,861.94