Finding the Fourth Proportional to 72,429.36, 99,847.80 and 50,853.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,429.36 : 99,847.80 = 50,853.48 : x
2. Step 2: Convert to fraction form
   72,429.36/99,847.80 = 50,853.48/x
3. Step 3: Cross multiply
   72,429.36x = 99,847.80 × 50,853.48
4. Step 4: Simplify right side
   72,429.36x = 5,077,608,100.34
5. Step 5: Solve for x
   x = 5,077,608,100.34/72,429.36
6. Step 6: Final answer
   x = 70,104.28