Finding the Fourth Proportional to 7,300,979.12, 10,952,103.72 and 1,909,606.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300,979.12 : 10,952,103.72 = 1,909,606.16 : x
2. Step 2: Convert to fraction form
   7,300,979.12/10,952,103.72 = 1,909,606.16/x
3. Step 3: Cross multiply
   7,300,979.12x = 10,952,103.72 × 1,909,606.16
4. Step 4: Simplify right side
   7,300,979.12x = 20,914,204,728,670.91
5. Step 5: Solve for x
   x = 20,914,204,728,670.91/7,300,979.12
6. Step 6: Final answer
   x = 2,864,575.34