Finding the Fourth Proportional to 81,404.86, 112,393.57 and 50,824.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,404.86 : 112,393.57 = 50,824.56 : x
2. Step 2: Convert to fraction form
   81,404.86/112,393.57 = 50,824.56/x
3. Step 3: Cross multiply
   81,404.86x = 112,393.57 × 50,824.56
4. Step 4: Simplify right side
   81,404.86x = 5,712,353,487.96
5. Step 5: Solve for x
   x = 5,712,353,487.96/81,404.86
6. Step 6: Final answer
   x = 70,172.14