Finding the Fourth Proportional to 131,571, 181,572.30 and 71,955

Step by Step Solution

1. Step 1: Write the proportion equation
   131,571 : 181,572.30 = 71,955 : x
2. Step 2: Convert to fraction form
   131,571/181,572.30 = 71,955/x
3. Step 3: Cross multiply
   131,571x = 181,572.30 × 71,955
4. Step 4: Simplify right side
   131,571x = 13,065,034,846.50
5. Step 5: Solve for x
   x = 13,065,034,846.50/131,571
6. Step 6: Final answer
   x = 99,300.26