Finding the Fourth Proportional to 67,867.36, 93,642.88 and 43,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,867.36 : 93,642.88 = 43,990.72 : x
2. Step 2: Convert to fraction form
   67,867.36/93,642.88 = 43,990.72/x
3. Step 3: Cross multiply
   67,867.36x = 93,642.88 × 43,990.72
4. Step 4: Simplify right side
   67,867.36x = 4,119,417,714.07
5. Step 5: Solve for x
   x = 4,119,417,714.07/67,867.36
6. Step 6: Final answer
   x = 60,698.07