Finding the Fourth Proportional to 93,083.86, 128,456.60 and 55,350.82

Step by Step Solution

1. Step 1: Write the proportion equation
   93,083.86 : 128,456.60 = 55,350.82 : x
2. Step 2: Convert to fraction form
   93,083.86/128,456.60 = 55,350.82/x
3. Step 3: Cross multiply
   93,083.86x = 128,456.60 × 55,350.82
4. Step 4: Simplify right side
   93,083.86x = 7,110,178,144.41
5. Step 5: Solve for x
   x = 7,110,178,144.41/93,083.86
6. Step 6: Final answer
   x = 76,384.65