Finding the Fourth Proportional to 72,116.56, 108,145.62 and 29,968

Step by Step Solution

1. Step 1: Write the proportion equation
   72,116.56 : 108,145.62 = 29,968 : x
2. Step 2: Convert to fraction form
   72,116.56/108,145.62 = 29,968/x
3. Step 3: Cross multiply
   72,116.56x = 108,145.62 × 29,968
4. Step 4: Simplify right side
   72,116.56x = 3,240,907,940.16
5. Step 5: Solve for x
   x = 3,240,907,940.16/72,116.56
6. Step 6: Final answer
   x = 44,939.86