Finding the Fourth Proportional to 47,642.94, 71,463.06 and 12,582.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,642.94 : 71,463.06 = 12,582.72 : x
2. Step 2: Convert to fraction form
   47,642.94/71,463.06 = 12,582.72/x
3. Step 3: Cross multiply
   47,642.94x = 71,463.06 × 12,582.72
4. Step 4: Simplify right side
   47,642.94x = 899,199,674.32
5. Step 5: Solve for x
   x = 899,199,674.32/47,642.94
6. Step 6: Final answer
   x = 18,873.72