Finding the Fourth Proportional to 21,229,460.94, 31,800,101.31 and 13,514,955.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,229,460.94 : 31,800,101.31 = 13,514,955.15 : x
2. Step 2: Convert to fraction form
   21,229,460.94/31,800,101.31 = 13,514,955.15/x
3. Step 3: Cross multiply
   21,229,460.94x = 31,800,101.31 × 13,514,955.15
4. Step 4: Simplify right side
   21,229,460.94x = 429,776,942,970,106.25
5. Step 5: Solve for x
   x = 429,776,942,970,106.25/21,229,460.94
6. Step 6: Final answer
   x = 20,244,364.39