Finding the Fourth Proportional to 161,308.32, 242,011.71 and 82,477.91

Step by Step Solution

1. Step 1: Write the proportion equation
   161,308.32 : 242,011.71 = 82,477.91 : x
2. Step 2: Convert to fraction form
   161,308.32/242,011.71 = 82,477.91/x
3. Step 3: Cross multiply
   161,308.32x = 242,011.71 × 82,477.91
4. Step 4: Simplify right side
   161,308.32x = 19,960,618,826.27
5. Step 5: Solve for x
   x = 19,960,618,826.27/161,308.32
6. Step 6: Final answer
   x = 123,742.03