Finding the Fourth Proportional to 199,320,587.69, 275,063,171.37 and 111,218,298.71

Step by Step Solution

1. Step 1: Write the proportion equation
   199,320,587.69 : 275,063,171.37 = 111,218,298.71 : x
2. Step 2: Convert to fraction form
   199,320,587.69/275,063,171.37 = 111,218,298.71/x
3. Step 3: Cross multiply
   199,320,587.69x = 275,063,171.37 × 111,218,298.71
4. Step 4: Simplify right side
   199,320,587.69x = 30,592,057,957,548,580
5. Step 5: Solve for x
   x = 30,592,057,957,548,580/199,320,587.69
6. Step 6: Final answer
   x = 153,481,676.49