Finding the Fourth Proportional to 42,108,695.88, 58,189,902.75 and 30,386,436.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108,695.88 : 58,189,902.75 = 30,386,436.03 : x
2. Step 2: Convert to fraction form
   42,108,695.88/58,189,902.75 = 30,386,436.03/x
3. Step 3: Cross multiply
   42,108,695.88x = 58,189,902.75 × 30,386,436.03
4. Step 4: Simplify right side
   42,108,695.88x = 1,768,183,757,504,796.25
5. Step 5: Solve for x
   x = 1,768,183,757,504,796.25/42,108,695.88
6. Step 6: Final answer
   x = 41,990,940.84