Finding the Fourth Proportional to 52,703.34, 78,679.34 and 50,857.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,703.34 : 78,679.34 = 50,857.62 : x
2. Step 2: Convert to fraction form
   52,703.34/78,679.34 = 50,857.62/x
3. Step 3: Cross multiply
   52,703.34x = 78,679.34 × 50,857.62
4. Step 4: Simplify right side
   52,703.34x = 4,001,443,721.28
5. Step 5: Solve for x
   x = 4,001,443,721.28/52,703.34
6. Step 6: Final answer
   x = 75,923.91