Finding the Fourth Proportional to 131,659.69, 181,685.87 and 75,089.29

Step by Step Solution

1. Step 1: Write the proportion equation
   131,659.69 : 181,685.87 = 75,089.29 : x
2. Step 2: Convert to fraction form
   131,659.69/181,685.87 = 75,089.29/x
3. Step 3: Cross multiply
   131,659.69x = 181,685.87 × 75,089.29
4. Step 4: Simplify right side
   131,659.69x = 13,642,662,072.90
5. Step 5: Solve for x
   x = 13,642,662,072.90/131,659.69
6. Step 6: Final answer
   x = 103,620.65