Finding the Fourth Proportional to 21,423,085.69, 29,584,035.59 and 14,914,512.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,423,085.69 : 29,584,035.59 = 14,914,512.18 : x
2. Step 2: Convert to fraction form
   21,423,085.69/29,584,035.59 = 14,914,512.18/x
3. Step 3: Cross multiply
   21,423,085.69x = 29,584,035.59 × 14,914,512.18
4. Step 4: Simplify right side
   21,423,085.69x = 441,231,459,029,974.62
5. Step 5: Solve for x
   x = 441,231,459,029,974.62/21,423,085.69
6. Step 6: Final answer
   x = 20,596,074.04