Finding the Fourth Proportional to 82,779.30, 114,221.69 and 48,783.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82,779.30 : 114,221.69 = 48,783.17 : x
2. Step 2: Convert to fraction form
   82,779.30/114,221.69 = 48,783.17/x
3. Step 3: Cross multiply
   82,779.30x = 114,221.69 × 48,783.17
4. Step 4: Simplify right side
   82,779.30x = 5,572,096,120.96
5. Step 5: Solve for x
   x = 5,572,096,120.96/82,779.30
6. Step 6: Final answer
   x = 67,312.68