Finding the Fourth Proportional to 133,886.76, 200,830.18 and 50,780.76

Step by Step Solution

1. Step 1: Write the proportion equation
   133,886.76 : 200,830.18 = 50,780.76 : x
2. Step 2: Convert to fraction form
   133,886.76/200,830.18 = 50,780.76/x
3. Step 3: Cross multiply
   133,886.76x = 200,830.18 × 50,780.76
4. Step 4: Simplify right side
   133,886.76x = 10,198,309,171.34
5. Step 5: Solve for x
   x = 10,198,309,171.34/133,886.76
6. Step 6: Final answer
   x = 76,171.16