Finding the Fourth Proportional to 12,836,055.29, 19,253,934.50 and 3,120,723.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,836,055.29 : 19,253,934.50 = 3,120,723.32 : x
2. Step 2: Convert to fraction form
   12,836,055.29/19,253,934.50 = 3,120,723.32/x
3. Step 3: Cross multiply
   12,836,055.29x = 19,253,934.50 × 3,120,723.32
4. Step 4: Simplify right side
   12,836,055.29x = 60,086,202,284,029.25
5. Step 5: Solve for x
   x = 60,086,202,284,029.25/12,836,055.29
6. Step 6: Final answer
   x = 4,681,048.89