Finding the Fourth Proportional to 104,071.59, 155,981.68 and 50,683.57

Step by Step Solution

1. Step 1: Write the proportion equation
   104,071.59 : 155,981.68 = 50,683.57 : x
2. Step 2: Convert to fraction form
   104,071.59/155,981.68 = 50,683.57/x
3. Step 3: Cross multiply
   104,071.59x = 155,981.68 × 50,683.57
4. Step 4: Simplify right side
   104,071.59x = 7,905,708,270.29
5. Step 5: Solve for x
   x = 7,905,708,270.29/104,071.59
6. Step 6: Final answer
   x = 75,964.13