Finding the Fourth Proportional to 81,816.89, 112,915.86 and 50,006.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,816.89 : 112,915.86 = 50,006.98 : x
2. Step 2: Convert to fraction form
   81,816.89/112,915.86 = 50,006.98/x
3. Step 3: Cross multiply
   81,816.89x = 112,915.86 × 50,006.98
4. Step 4: Simplify right side
   81,816.89x = 5,646,580,588.12
5. Step 5: Solve for x
   x = 5,646,580,588.12/81,816.89
6. Step 6: Final answer
   x = 69,014.85