Finding the Fourth Proportional to 124,570.13, 171,906.73 and 67,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,570.13 : 171,906.73 = 67,981.50 : x
2. Step 2: Convert to fraction form
   124,570.13/171,906.73 = 67,981.50/x
3. Step 3: Cross multiply
   124,570.13x = 171,906.73 × 67,981.50
4. Step 4: Simplify right side
   124,570.13x = 11,686,477,025.59
5. Step 5: Solve for x
   x = 11,686,477,025.59/124,570.13
6. Step 6: Final answer
   x = 93,814.44