Finding the Fourth Proportional to 124,081.76, 171,219.60 and 73,091.48

Step by Step Solution

1. Step 1: Write the proportion equation
   124,081.76 : 171,219.60 = 73,091.48 : x
2. Step 2: Convert to fraction form
   124,081.76/171,219.60 = 73,091.48/x
3. Step 3: Cross multiply
   124,081.76x = 171,219.60 × 73,091.48
4. Step 4: Simplify right side
   124,081.76x = 12,514,693,969.01
5. Step 5: Solve for x
   x = 12,514,693,969.01/124,081.76
6. Step 6: Final answer
   x = 100,858.45