Finding the Fourth Proportional to 56,937.42, 78,610.59 and 50,958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,937.42 : 78,610.59 = 50,958.72 : x
2. Step 2: Convert to fraction form
   56,937.42/78,610.59 = 50,958.72/x
3. Step 3: Cross multiply
   56,937.42x = 78,610.59 × 50,958.72
4. Step 4: Simplify right side
   56,937.42x = 4,005,895,044.84
5. Step 5: Solve for x
   x = 4,005,895,044.84/56,937.42
6. Step 6: Final answer
   x = 70,356.10