Finding the Fourth Proportional to 93,061.73, 128,424.47 and 50,620.29

Step by Step Solution

1. Step 1: Write the proportion equation
   93,061.73 : 128,424.47 = 50,620.29 : x
2. Step 2: Convert to fraction form
   93,061.73/128,424.47 = 50,620.29/x
3. Step 3: Cross multiply
   93,061.73x = 128,424.47 × 50,620.29
4. Step 4: Simplify right side
   93,061.73x = 6,500,883,661.39
5. Step 5: Solve for x
   x = 6,500,883,661.39/93,061.73
6. Step 6: Final answer
   x = 69,855.61