Finding the Fourth Proportional to 53,737.12, 80,065.58 and 50,719

Step by Step Solution

1. Step 1: Write the proportion equation
   53,737.12 : 80,065.58 = 50,719 : x
2. Step 2: Convert to fraction form
   53,737.12/80,065.58 = 50,719/x
3. Step 3: Cross multiply
   53,737.12x = 80,065.58 × 50,719
4. Step 4: Simplify right side
   53,737.12x = 4,060,846,152.02
5. Step 5: Solve for x
   x = 4,060,846,152.02/53,737.12
6. Step 6: Final answer
   x = 75,568.73