Finding the Fourth Proportional to 16,739,659.72, 23,097,979.60 and 9,863,206.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,739,659.72 : 23,097,979.60 = 9,863,206.84 : x
2. Step 2: Convert to fraction form
   16,739,659.72/23,097,979.60 = 9,863,206.84/x
3. Step 3: Cross multiply
   16,739,659.72x = 23,097,979.60 × 9,863,206.84
4. Step 4: Simplify right side
   16,739,659.72x = 227,820,150,380,900.47
5. Step 5: Solve for x
   x = 227,820,150,380,900.47/16,739,659.72
6. Step 6: Final answer
   x = 13,609,604.63