Finding the Fourth Proportional to 67,990.88, 101,930.16 and 30,013.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,990.88 : 101,930.16 = 30,013.10 : x
2. Step 2: Convert to fraction form
   67,990.88/101,930.16 = 30,013.10/x
3. Step 3: Cross multiply
   67,990.88x = 101,930.16 × 30,013.10
4. Step 4: Simplify right side
   67,990.88x = 3,059,240,085.10
5. Step 5: Solve for x
   x = 3,059,240,085.10/67,990.88
6. Step 6: Final answer
   x = 44,994.86