Finding the Fourth Proportional to 5,120,944.56, 7,067,106.72 and 2,945,485.44

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120,944.56 : 7,067,106.72 = 2,945,485.44 : x
2. Step 2: Convert to fraction form
   5,120,944.56/7,067,106.72 = 2,945,485.44/x
3. Step 3: Cross multiply
   5,120,944.56x = 7,067,106.72 × 2,945,485.44
4. Step 4: Simplify right side
   5,120,944.56x = 20,816,059,946,686.16
5. Step 5: Solve for x
   x = 20,816,059,946,686.16/5,120,944.56
6. Step 6: Final answer
   x = 4,064,886.80