Finding the Fourth Proportional to 72,798.72, 109,084.32 and 50,655.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,798.72 : 109,084.32 = 50,655.36 : x
2. Step 2: Convert to fraction form
   72,798.72/109,084.32 = 50,655.36/x
3. Step 3: Cross multiply
   72,798.72x = 109,084.32 × 50,655.36
4. Step 4: Simplify right side
   72,798.72x = 5,525,705,499.96
5. Step 5: Solve for x
   x = 5,525,705,499.96/72,798.72
6. Step 6: Final answer
   x = 75,903.88