Finding the Fourth Proportional to 83,796.61, 115,676.60 and 49,816.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,796.61 : 115,676.60 = 49,816.10 : x
2. Step 2: Convert to fraction form
   83,796.61/115,676.60 = 49,816.10/x
3. Step 3: Cross multiply
   83,796.61x = 115,676.60 × 49,816.10
4. Step 4: Simplify right side
   83,796.61x = 5,762,557,073.26
5. Step 5: Solve for x
   x = 5,762,557,073.26/83,796.61
6. Step 6: Final answer
   x = 68,768.38