Finding the Fourth Proportional to 93,096.20, 128,480.27 and 77,962.86

Step by Step Solution

1. Step 1: Write the proportion equation
   93,096.20 : 128,480.27 = 77,962.86 : x
2. Step 2: Convert to fraction form
   93,096.20/128,480.27 = 77,962.86/x
3. Step 3: Cross multiply
   93,096.20x = 128,480.27 × 77,962.86
4. Step 4: Simplify right side
   93,096.20x = 10,016,688,912.96
5. Step 5: Solve for x
   x = 10,016,688,912.96/93,096.20
6. Step 6: Final answer
   x = 107,595.03