Finding the Fourth Proportional to 5,120,515.96, 7,066,526.72 and 2,945,059.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120,515.96 : 7,066,526.72 = 2,945,059.72 : x
2. Step 2: Convert to fraction form
   5,120,515.96/7,066,526.72 = 2,945,059.72/x
3. Step 3: Cross multiply
   5,120,515.96x = 7,066,526.72 × 2,945,059.72
4. Step 4: Simplify right side
   5,120,515.96x = 20,811,343,203,375.72
5. Step 5: Solve for x
   x = 20,811,343,203,375.72/5,120,515.96
6. Step 6: Final answer
   x = 4,064,305.90