Finding the Fourth Proportional to 7,149,987.72, 10,718,934.78 and 3,103,434.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,149,987.72 : 10,718,934.78 = 3,103,434.12 : x
2. Step 2: Convert to fraction form
   7,149,987.72/10,718,934.78 = 3,103,434.12/x
3. Step 3: Cross multiply
   7,149,987.72x = 10,718,934.78 × 3,103,434.12
4. Step 4: Simplify right side
   7,149,987.72x = 33,265,507,926,306.69
5. Step 5: Solve for x
   x = 33,265,507,926,306.69/7,149,987.72
6. Step 6: Final answer
   x = 4,652,526.58