Finding the Fourth Proportional to 101,131.62, 151,691.76 and 31,010.74

Step by Step Solution

1. Step 1: Write the proportion equation
   101,131.62 : 151,691.76 = 31,010.74 : x
2. Step 2: Convert to fraction form
   101,131.62/151,691.76 = 31,010.74/x
3. Step 3: Cross multiply
   101,131.62x = 151,691.76 × 31,010.74
4. Step 4: Simplify right side
   101,131.62x = 4,704,073,729.50
5. Step 5: Solve for x
   x = 4,704,073,729.50/101,131.62
6. Step 6: Final answer
   x = 46,514.37