Finding the Fourth Proportional to 197,514.74, 272,570.16 and 111,491.83

Step by Step Solution

1. Step 1: Write the proportion equation
   197,514.74 : 272,570.16 = 111,491.83 : x
2. Step 2: Convert to fraction form
   197,514.74/272,570.16 = 111,491.83/x
3. Step 3: Cross multiply
   197,514.74x = 272,570.16 × 111,491.83
4. Step 4: Simplify right side
   197,514.74x = 30,389,344,300.21
5. Step 5: Solve for x
   x = 30,389,344,300.21/197,514.74
6. Step 6: Final answer
   x = 153,858.62