Finding the Fourth Proportional to 131,566.77, 181,709.06 and 89,051.49

Step by Step Solution

1. Step 1: Write the proportion equation
   131,566.77 : 181,709.06 = 89,051.49 : x
2. Step 2: Convert to fraction form
   131,566.77/181,709.06 = 89,051.49/x
3. Step 3: Cross multiply
   131,566.77x = 181,709.06 × 89,051.49
4. Step 4: Simplify right side
   131,566.77x = 16,181,462,094.24
5. Step 5: Solve for x
   x = 16,181,462,094.24/131,566.77
6. Step 6: Final answer
   x = 122,990.49