Finding the Fourth Proportional to 47,981.30, 66,245.01 and 30,100.82

Step by Step Solution

1. Step 1: Write the proportion equation
   47,981.30 : 66,245.01 = 30,100.82 : x
2. Step 2: Convert to fraction form
   47,981.30/66,245.01 = 30,100.82/x
3. Step 3: Cross multiply
   47,981.30x = 66,245.01 × 30,100.82
4. Step 4: Simplify right side
   47,981.30x = 1,994,029,121.91
5. Step 5: Solve for x
   x = 1,994,029,121.91/47,981.30
6. Step 6: Final answer
   x = 41,558.46