Finding the Fourth Proportional to 19,082,018.29, 28,550,799.98 and 11,305,109.47

Step by Step Solution

1. Step 1: Write the proportion equation
   19,082,018.29 : 28,550,799.98 = 11,305,109.47 : x
2. Step 2: Convert to fraction form
   19,082,018.29/28,550,799.98 = 11,305,109.47/x
3. Step 3: Cross multiply
   19,082,018.29x = 28,550,799.98 × 11,305,109.47
4. Step 4: Simplify right side
   19,082,018.29x = 322,769,919,229,973.81
5. Step 5: Solve for x
   x = 322,769,919,229,973.81/19,082,018.29
6. Step 6: Final answer
   x = 16,914,873.17