Finding the Fourth Proportional to 12,979,298.46, 17,909,442.05 and 7,471,608.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,979,298.46 : 17,909,442.05 = 7,471,608.69 : x
2. Step 2: Convert to fraction form
   12,979,298.46/17,909,442.05 = 7,471,608.69/x
3. Step 3: Cross multiply
   12,979,298.46x = 17,909,442.05 × 7,471,608.69
4. Step 4: Simplify right side
   12,979,298.46x = 133,812,342,816,473.39
5. Step 5: Solve for x
   x = 133,812,342,816,473.39/12,979,298.46
6. Step 6: Final answer
   x = 10,309,674.54