Finding the Fourth Proportional to 13,084,268.40, 19,629,329.76 and 3,987,077.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,084,268.40 : 19,629,329.76 = 3,987,077.94 : x
2. Step 2: Convert to fraction form
   13,084,268.40/19,629,329.76 = 3,987,077.94/x
3. Step 3: Cross multiply
   13,084,268.40x = 19,629,329.76 × 3,987,077.94
4. Step 4: Simplify right side
   13,084,268.40x = 78,263,667,663,081.50
5. Step 5: Solve for x
   x = 78,263,667,663,081.50/13,084,268.40
6. Step 6: Final answer
   x = 5,981,508.88