Finding the Fourth Proportional to 5,284,978.11, 7,293,145.74 and 3,109,662.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,284,978.11 : 7,293,145.74 = 3,109,662.16 : x
2. Step 2: Convert to fraction form
   5,284,978.11/7,293,145.74 = 3,109,662.16/x
3. Step 3: Cross multiply
   5,284,978.11x = 7,293,145.74 × 3,109,662.16
4. Step 4: Simplify right side
   5,284,978.11x = 22,679,219,305,149.10
5. Step 5: Solve for x
   x = 22,679,219,305,149.10/5,284,978.11
6. Step 6: Final answer
   x = 4,291,260.78