Finding the Fourth Proportional to 133,555.32, 200,410.78 and 50,455.80

Step by Step Solution

1. Step 1: Write the proportion equation
   133,555.32 : 200,410.78 = 50,455.80 : x
2. Step 2: Convert to fraction form
   133,555.32/200,410.78 = 50,455.80/x
3. Step 3: Cross multiply
   133,555.32x = 200,410.78 × 50,455.80
4. Step 4: Simplify right side
   133,555.32x = 10,111,886,233.52
5. Step 5: Solve for x
   x = 10,111,886,233.52/133,555.32
6. Step 6: Final answer
   x = 75,713.09