Finding the Fourth Proportional to 100,701.69, 151,042.77 and 30,581.61

Step by Step Solution

1. Step 1: Write the proportion equation
   100,701.69 : 151,042.77 = 30,581.61 : x
2. Step 2: Convert to fraction form
   100,701.69/151,042.77 = 30,581.61/x
3. Step 3: Cross multiply
   100,701.69x = 151,042.77 × 30,581.61
4. Step 4: Simplify right side
   100,701.69x = 4,619,131,085.46
5. Step 5: Solve for x
   x = 4,619,131,085.46/100,701.69
6. Step 6: Final answer
   x = 45,869.45