Finding the Fourth Proportional to 5,173,162.17, 7,138,316.88 and 2,997,665.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,173,162.17 : 7,138,316.88 = 2,997,665.79 : x
2. Step 2: Convert to fraction form
   5,173,162.17/7,138,316.88 = 2,997,665.79/x
3. Step 3: Cross multiply
   5,173,162.17x = 7,138,316.88 × 2,997,665.79
4. Step 4: Simplify right side
   5,173,162.17x = 21,398,288,309,355.54
5. Step 5: Solve for x
   x = 21,398,288,309,355.54/5,173,162.17
6. Step 6: Final answer
   x = 4,136,403.93