Finding the Fourth Proportional to 21,308,806.96, 29,414,150.38 and 13,967,113.22

Step by Step Solution

1. Step 1: Write the proportion equation
   21,308,806.96 : 29,414,150.38 = 13,967,113.22 : x
2. Step 2: Convert to fraction form
   21,308,806.96/29,414,150.38 = 13,967,113.22/x
3. Step 3: Cross multiply
   21,308,806.96x = 29,414,150.38 × 13,967,113.22
4. Step 4: Simplify right side
   21,308,806.96x = 410,830,768,683,642.50
5. Step 5: Solve for x
   x = 410,830,768,683,642.50/21,308,806.96
6. Step 6: Final answer
   x = 19,279,857.83