Finding the Fourth Proportional to 76,353.42, 105,411.87 and 50,853.18

Step by Step Solution

1. Step 1: Write the proportion equation
   76,353.42 : 105,411.87 = 50,853.18 : x
2. Step 2: Convert to fraction form
   76,353.42/105,411.87 = 50,853.18/x
3. Step 3: Cross multiply
   76,353.42x = 105,411.87 × 50,853.18
4. Step 4: Simplify right side
   76,353.42x = 5,360,528,799.25
5. Step 5: Solve for x
   x = 5,360,528,799.25/76,353.42
6. Step 6: Final answer
   x = 70,206.79