Finding the Fourth Proportional to 42,270,429.62, 63,314,542.49 and 28,548,118.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,270,429.62 : 63,314,542.49 = 28,548,118.51 : x
2. Step 2: Convert to fraction form
   42,270,429.62/63,314,542.49 = 28,548,118.51/x
3. Step 3: Cross multiply
   42,270,429.62x = 63,314,542.49 × 28,548,118.51
4. Step 4: Simplify right side
   42,270,429.62x = 1,807,511,062,109,923.50
5. Step 5: Solve for x
   x = 1,807,511,062,109,923.50/42,270,429.62
6. Step 6: Final answer
   x = 42,760,650.37