Finding the Fourth Proportional to 59,280.84, 81,760.32 and 50,357.88

Step by Step Solution

1. Step 1: Write the proportion equation
   59,280.84 : 81,760.32 = 50,357.88 : x
2. Step 2: Convert to fraction form
   59,280.84/81,760.32 = 50,357.88/x
3. Step 3: Cross multiply
   59,280.84x = 81,760.32 × 50,357.88
4. Step 4: Simplify right side
   59,280.84x = 4,117,276,383.32
5. Step 5: Solve for x
   x = 4,117,276,383.32/59,280.84
6. Step 6: Final answer
   x = 69,453.75