Finding the Fourth Proportional to 12,847.86, 17,730.63 and 10,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847.86 : 17,730.63 = 10,048.50 : x
2. Step 2: Convert to fraction form
   12,847.86/17,730.63 = 10,048.50/x
3. Step 3: Cross multiply
   12,847.86x = 17,730.63 × 10,048.50
4. Step 4: Simplify right side
   12,847.86x = 178,166,235.56
5. Step 5: Solve for x
   x = 178,166,235.56/12,847.86
6. Step 6: Final answer
   x = 13,867.39