Finding the Fourth Proportional to 131,370, 181,290.62 and 71,754

Step by Step Solution

1. Step 1: Write the proportion equation
   131,370 : 181,290.62 = 71,754 : x
2. Step 2: Convert to fraction form
   131,370/181,290.62 = 71,754/x
3. Step 3: Cross multiply
   131,370x = 181,290.62 × 71,754
4. Step 4: Simplify right side
   131,370x = 13,008,327,147.48
5. Step 5: Solve for x
   x = 13,008,327,147.48/131,370
6. Step 6: Final answer
   x = 99,020.53