Finding the Fourth Proportional to 131,575, 181,577.82 and 71,959

Step by Step Solution

1. Step 1: Write the proportion equation
   131,575 : 181,577.82 = 71,959 : x
2. Step 2: Convert to fraction form
   131,575/181,577.82 = 71,959/x
3. Step 3: Cross multiply
   131,575x = 181,577.82 × 71,959
4. Step 4: Simplify right side
   131,575x = 13,066,158,349.38
5. Step 5: Solve for x
   x = 13,066,158,349.38/131,575
6. Step 6: Final answer
   x = 99,305.78