Finding the Fourth Proportional to 46,686,144.91, 70,016,993.61 and 13,887,876.82

Step by Step Solution

1. Step 1: Write the proportion equation
   46,686,144.91 : 70,016,993.61 = 13,887,876.82 : x
2. Step 2: Convert to fraction form
   46,686,144.91/70,016,993.61 = 13,887,876.82/x
3. Step 3: Cross multiply
   46,686,144.91x = 70,016,993.61 × 13,887,876.82
4. Step 4: Simplify right side
   46,686,144.91x = 972,387,382,562,407.12
5. Step 5: Solve for x
   x = 972,387,382,562,407.12/46,686,144.91
6. Step 6: Final answer
   x = 20,828,178.99