Finding the Fourth Proportional to 93,164.49, 128,562.71 and 50,722.89

Step by Step Solution

1. Step 1: Write the proportion equation
   93,164.49 : 128,562.71 = 50,722.89 : x
2. Step 2: Convert to fraction form
   93,164.49/128,562.71 = 50,722.89/x
3. Step 3: Cross multiply
   93,164.49x = 128,562.71 × 50,722.89
4. Step 4: Simplify right side
   93,164.49x = 6,521,071,943.82
5. Step 5: Solve for x
   x = 6,521,071,943.82/93,164.49
6. Step 6: Final answer
   x = 69,995.25