Finding the Fourth Proportional to 93,086.02, 128,459.01 and 50,644.54

Step by Step Solution

1. Step 1: Write the proportion equation
   93,086.02 : 128,459.01 = 50,644.54 : x
2. Step 2: Convert to fraction form
   93,086.02/128,459.01 = 50,644.54/x
3. Step 3: Cross multiply
   93,086.02x = 128,459.01 × 50,644.54
4. Step 4: Simplify right side
   93,086.02x = 6,505,747,470.31
5. Step 5: Solve for x
   x = 6,505,747,470.31/93,086.02
6. Step 6: Final answer
   x = 69,889.63