Finding the Fourth Proportional to 131,393, 181,323.06 and 71,777

Step by Step Solution

1. Step 1: Write the proportion equation
   131,393 : 181,323.06 = 71,777 : x
2. Step 2: Convert to fraction form
   131,393/181,323.06 = 71,777/x
3. Step 3: Cross multiply
   131,393x = 181,323.06 × 71,777
4. Step 4: Simplify right side
   131,393x = 13,014,825,277.62
5. Step 5: Solve for x
   x = 13,014,825,277.62/131,393
6. Step 6: Final answer
   x = 99,052.65