Finding the Fourth Proportional to 124,019.91, 171,150.98 and 73,036.08

Step by Step Solution

1. Step 1: Write the proportion equation
   124,019.91 : 171,150.98 = 73,036.08 : x
2. Step 2: Convert to fraction form
   124,019.91/171,150.98 = 73,036.08/x
3. Step 3: Cross multiply
   124,019.91x = 171,150.98 × 73,036.08
4. Step 4: Simplify right side
   124,019.91x = 12,500,196,302.18
5. Step 5: Solve for x
   x = 12,500,196,302.18/124,019.91
6. Step 6: Final answer
   x = 100,791.85