Finding the Fourth Proportional to 76,808.18, 105,951.86 and 48,077.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,808.18 : 105,951.86 = 48,077.96 : x
2. Step 2: Convert to fraction form
   76,808.18/105,951.86 = 48,077.96/x
3. Step 3: Cross multiply
   76,808.18x = 105,951.86 × 48,077.96
4. Step 4: Simplify right side
   76,808.18x = 5,093,948,516.86
5. Step 5: Solve for x
   x = 5,093,948,516.86/76,808.18
6. Step 6: Final answer
   x = 66,320.40