Finding the Fourth Proportional to 16,783.06, 23,160.69 and 10,499.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.06 : 23,160.69 = 10,499.02 : x
2. Step 2: Convert to fraction form
   16,783.06/23,160.69 = 10,499.02/x
3. Step 3: Cross multiply
   16,783.06x = 23,160.69 × 10,499.02
4. Step 4: Simplify right side
   16,783.06x = 243,164,547.52
5. Step 5: Solve for x
   x = 243,164,547.52/16,783.06
6. Step 6: Final answer
   x = 14,488.69