Finding the Fourth Proportional to 131,742.22, 181,623.59 and 83,320.02

Step by Step Solution

1. Step 1: Write the proportion equation
   131,742.22 : 181,623.59 = 83,320.02 : x
2. Step 2: Convert to fraction form
   131,742.22/181,623.59 = 83,320.02/x
3. Step 3: Cross multiply
   131,742.22x = 181,623.59 × 83,320.02
4. Step 4: Simplify right side
   131,742.22x = 15,132,881,151.27
5. Step 5: Solve for x
   x = 15,132,881,151.27/131,742.22
6. Step 6: Final answer
   x = 114,867.36