Finding the Fourth Proportional to 199,262,034.72, 274,986,478.80 and 111,155,405.76

Step by Step Solution

1. Step 1: Write the proportion equation
   199,262,034.72 : 274,986,478.80 = 111,155,405.76 : x
2. Step 2: Convert to fraction form
   199,262,034.72/274,986,478.80 = 111,155,405.76/x
3. Step 3: Cross multiply
   199,262,034.72x = 274,986,478.80 × 111,155,405.76
4. Step 4: Simplify right side
   199,262,034.72x = 30,566,233,629,527,640
5. Step 5: Solve for x
   x = 30,566,233,629,527,640/199,262,034.72
6. Step 6: Final answer
   x = 153,397,177.10