Finding the Fourth Proportional to 81,462.09, 112,385.61 and 50,817.35

Step by Step Solution

1. Step 1: Write the proportion equation
   81,462.09 : 112,385.61 = 50,817.35 : x
2. Step 2: Convert to fraction form
   81,462.09/112,385.61 = 50,817.35/x
3. Step 3: Cross multiply
   81,462.09x = 112,385.61 × 50,817.35
4. Step 4: Simplify right side
   81,462.09x = 5,711,138,878.33
5. Step 5: Solve for x
   x = 5,711,138,878.33/81,462.09
6. Step 6: Final answer
   x = 70,107.93