Finding the Fourth Proportional to 139,541.72, 209,312.74 and 50,795.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,541.72 : 209,312.74 = 50,795.96 : x
2. Step 2: Convert to fraction form
   139,541.72/209,312.74 = 50,795.96/x
3. Step 3: Cross multiply
   139,541.72x = 209,312.74 × 50,795.96
4. Step 4: Simplify right side
   139,541.72x = 10,632,241,568.53
5. Step 5: Solve for x
   x = 10,632,241,568.53/139,541.72
6. Step 6: Final answer
   x = 76,194.00