Finding the Fourth Proportional to 21,665,161.69, 29,880,489.98 and 19,046,065.79

Step by Step Solution

1. Step 1: Write the proportion equation
   21,665,161.69 : 29,880,489.98 = 19,046,065.79 : x
2. Step 2: Convert to fraction form
   21,665,161.69/29,880,489.98 = 19,046,065.79/x
3. Step 3: Cross multiply
   21,665,161.69x = 29,880,489.98 × 19,046,065.79
4. Step 4: Simplify right side
   21,665,161.69x = 569,105,777,901,285.50
5. Step 5: Solve for x
   x = 569,105,777,901,285.50/21,665,161.69
6. Step 6: Final answer
   x = 26,268,245.13