Finding the Fourth Proportional to 83,178.56, 114,757.62 and 65,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,178.56 : 114,757.62 = 65,094.50 : x
2. Step 2: Convert to fraction form
   83,178.56/114,757.62 = 65,094.50/x
3. Step 3: Cross multiply
   83,178.56x = 114,757.62 × 65,094.50
4. Step 4: Simplify right side
   83,178.56x = 7,470,089,895.09
5. Step 5: Solve for x
   x = 7,470,089,895.09/83,178.56
6. Step 6: Final answer
   x = 89,807.88