Finding the Fourth Proportional to 83,459.58, 115,111.40 and 57,965.98

Step by Step Solution

1. Step 1: Write the proportion equation
   83,459.58 : 115,111.40 = 57,965.98 : x
2. Step 2: Convert to fraction form
   83,459.58/115,111.40 = 57,965.98/x
3. Step 3: Cross multiply
   83,459.58x = 115,111.40 × 57,965.98
4. Step 4: Simplify right side
   83,459.58x = 6,672,544,532.56
5. Step 5: Solve for x
   x = 6,672,544,532.56/83,459.58
6. Step 6: Final answer
   x = 79,949.41