Finding the Fourth Proportional to 93,016.62, 128,321.82 and 55,269

Step by Step Solution

1. Step 1: Write the proportion equation
   93,016.62 : 128,321.82 = 55,269 : x
2. Step 2: Convert to fraction form
   93,016.62/128,321.82 = 55,269/x
3. Step 3: Cross multiply
   93,016.62x = 128,321.82 × 55,269
4. Step 4: Simplify right side
   93,016.62x = 7,092,218,669.58
5. Step 5: Solve for x
   x = 7,092,218,669.58/93,016.62
6. Step 6: Final answer
   x = 76,246.79