Finding the Fourth Proportional to 82,788.36, 123,801.03 and 61,481.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,788.36 : 123,801.03 = 61,481.31 : x
2. Step 2: Convert to fraction form
   82,788.36/123,801.03 = 61,481.31/x
3. Step 3: Cross multiply
   82,788.36x = 123,801.03 × 61,481.31
4. Step 4: Simplify right side
   82,788.36x = 7,611,449,503.75
5. Step 5: Solve for x
   x = 7,611,449,503.75/82,788.36
6. Step 6: Final answer
   x = 91,938.64