Finding the Fourth Proportional to 19,278,126.82, 28,917,257.82 and 4,901,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,278,126.82 : 28,917,257.82 = 4,901,196.16 : x
2. Step 2: Convert to fraction form
   19,278,126.82/28,917,257.82 = 4,901,196.16/x
3. Step 3: Cross multiply
   19,278,126.82x = 28,917,257.82 × 4,901,196.16
4. Step 4: Simplify right side
   19,278,126.82x = 141,729,152,816,021.72
5. Step 5: Solve for x
   x = 141,729,152,816,021.72/19,278,126.82
6. Step 6: Final answer
   x = 7,351,811.42