Finding the Fourth Proportional to 5,173,401.98, 7,138,953.15 and 3,107,189.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,173,401.98 : 7,138,953.15 = 3,107,189.81 : x
2. Step 2: Convert to fraction form
   5,173,401.98/7,138,953.15 = 3,107,189.81/x
3. Step 3: Cross multiply
   5,173,401.98x = 7,138,953.15 × 3,107,189.81
4. Step 4: Simplify right side
   5,173,401.98x = 22,182,082,446,052.64
5. Step 5: Solve for x
   x = 22,182,082,446,052.64/5,173,401.98
6. Step 6: Final answer
   x = 4,287,716.78