Finding the Fourth Proportional to 93,236.52, 128,667.24 and 54,996.96

Step by Step Solution

1. Step 1: Write the proportion equation
   93,236.52 : 128,667.24 = 54,996.96 : x
2. Step 2: Convert to fraction form
   93,236.52/128,667.24 = 54,996.96/x
3. Step 3: Cross multiply
   93,236.52x = 128,667.24 × 54,996.96
4. Step 4: Simplify right side
   93,236.52x = 7,076,307,051.59
5. Step 5: Solve for x
   x = 7,076,307,051.59/93,236.52
6. Step 6: Final answer
   x = 75,896.30