Finding the Fourth Proportional to 16,085.30, 24,128.62 and 4,999.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.30 : 24,128.62 = 4,999.50 : x
2. Step 2: Convert to fraction form
   16,085.30/24,128.62 = 4,999.50/x
3. Step 3: Cross multiply
   16,085.30x = 24,128.62 × 4,999.50
4. Step 4: Simplify right side
   16,085.30x = 120,631,035.69
5. Step 5: Solve for x
   x = 120,631,035.69/16,085.30
6. Step 6: Final answer
   x = 7,499.46