Finding the Fourth Proportional to 5,178,562.02, 7,146,804.72 and 3,003,086.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,178,562.02 : 7,146,804.72 = 3,003,086.28 : x
2. Step 2: Convert to fraction form
   5,178,562.02/7,146,804.72 = 3,003,086.28/x
3. Step 3: Cross multiply
   5,178,562.02x = 7,146,804.72 × 3,003,086.28
4. Step 4: Simplify right side
   5,178,562.02x = 21,462,471,200,471.24
5. Step 5: Solve for x
   x = 21,462,471,200,471.24/5,178,562.02
6. Step 6: Final answer
   x = 4,144,484.73