Finding the Fourth Proportional to 12,200,132.52, 18,299,202.48 and 4,112,933.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200,132.52 : 18,299,202.48 = 4,112,933.76 : x
2. Step 2: Convert to fraction form
   12,200,132.52/18,299,202.48 = 4,112,933.76/x
3. Step 3: Cross multiply
   12,200,132.52x = 18,299,202.48 × 4,112,933.76
4. Step 4: Simplify right side
   12,200,132.52x = 75,263,407,661,067.72
5. Step 5: Solve for x
   x = 75,263,407,661,067.72/12,200,132.52
6. Step 6: Final answer
   x = 6,169,064.77