Finding the Fourth Proportional to 79,664.27, 119,457.52 and 28,355.83

Step by Step Solution

1. Step 1: Write the proportion equation
   79,664.27 : 119,457.52 = 28,355.83 : x
2. Step 2: Convert to fraction form
   79,664.27/119,457.52 = 28,355.83/x
3. Step 3: Cross multiply
   79,664.27x = 119,457.52 × 28,355.83
4. Step 4: Simplify right side
   79,664.27x = 3,387,316,759.81
5. Step 5: Solve for x
   x = 3,387,316,759.81/79,664.27
6. Step 6: Final answer
   x = 42,519.90