Finding the Fourth Proportional to 76,802.42, 106,007.38 and 50,018.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,802.42 : 106,007.38 = 50,018.42 : x
2. Step 2: Convert to fraction form
   76,802.42/106,007.38 = 50,018.42/x
3. Step 3: Cross multiply
   76,802.42x = 106,007.38 × 50,018.42
4. Step 4: Simplify right side
   76,802.42x = 5,302,321,000.86
5. Step 5: Solve for x
   x = 5,302,321,000.86/76,802.42
6. Step 6: Final answer
   x = 69,038.47