Finding the Fourth Proportional to 14,643.86, 21,969.16 and 4,783.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,643.86 : 21,969.16 = 4,783.86 : x
2. Step 2: Convert to fraction form
   14,643.86/21,969.16 = 4,783.86/x
3. Step 3: Cross multiply
   14,643.86x = 21,969.16 × 4,783.86
4. Step 4: Simplify right side
   14,643.86x = 105,097,373.80
5. Step 5: Solve for x
   x = 105,097,373.80/14,643.86
6. Step 6: Final answer
   x = 7,176.89