Finding the Fourth Proportional to 83,999.30, 126,776.73 and 83,999.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,999.30 : 126,776.73 = 83,999.30 : x
2. Step 2: Convert to fraction form
   83,999.30/126,776.73 = 83,999.30/x
3. Step 3: Cross multiply
   83,999.30x = 126,776.73 × 83,999.30
4. Step 4: Simplify right side
   83,999.30x = 10,649,156,576.29
5. Step 5: Solve for x
   x = 10,649,156,576.29/83,999.30
6. Step 6: Final answer
   x = 126,776.73