Finding the Fourth Proportional to 67,615.88, 101,455.41 and 30,172.04

Step by Step Solution

1. Step 1: Write the proportion equation
   67,615.88 : 101,455.41 = 30,172.04 : x
2. Step 2: Convert to fraction form
   67,615.88/101,455.41 = 30,172.04/x
3. Step 3: Cross multiply
   67,615.88x = 101,455.41 × 30,172.04
4. Step 4: Simplify right side
   67,615.88x = 3,061,116,688.74
5. Step 5: Solve for x
   x = 3,061,116,688.74/67,615.88
6. Step 6: Final answer
   x = 45,272.16