Finding the Fourth Proportional to 50,700.28, 76,061.13 and 19,109.67

Step by Step Solution

1. Step 1: Write the proportion equation
   50,700.28 : 76,061.13 = 19,109.67 : x
2. Step 2: Convert to fraction form
   50,700.28/76,061.13 = 19,109.67/x
3. Step 3: Cross multiply
   50,700.28x = 76,061.13 × 19,109.67
4. Step 4: Simplify right side
   50,700.28x = 1,453,503,094.13
5. Step 5: Solve for x
   x = 1,453,503,094.13/50,700.28
6. Step 6: Final answer
   x = 28,668.54