Finding the Fourth Proportional to 21,724,134.29, 32,573,918.59 and 7,147,109.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,724,134.29 : 32,573,918.59 = 7,147,109.15 : x
2. Step 2: Convert to fraction form
   21,724,134.29/32,573,918.59 = 7,147,109.15/x
3. Step 3: Cross multiply
   21,724,134.29x = 32,573,918.59 × 7,147,109.15
4. Step 4: Simplify right side
   21,724,134.29x = 232,809,351,407,338.94
5. Step 5: Solve for x
   x = 232,809,351,407,338.94/21,724,134.29
6. Step 6: Final answer
   x = 10,716,622.74