Finding the Fourth Proportional to 56,949.42, 78,627.18 and 50,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,949.42 : 78,627.18 = 50,970.72 : x
2. Step 2: Convert to fraction form
   56,949.42/78,627.18 = 50,970.72/x
3. Step 3: Cross multiply
   56,949.42x = 78,627.18 × 50,970.72
4. Step 4: Simplify right side
   56,949.42x = 4,007,683,976.17
5. Step 5: Solve for x
   x = 4,007,683,976.17/56,949.42
6. Step 6: Final answer
   x = 70,372.69