Finding the Fourth Proportional to 59,985.98, 82,780.35 and 33,128.36

Step by Step Solution

1. Step 1: Write the proportion equation
   59,985.98 : 82,780.35 = 33,128.36 : x
2. Step 2: Convert to fraction form
   59,985.98/82,780.35 = 33,128.36/x
3. Step 3: Cross multiply
   59,985.98x = 82,780.35 × 33,128.36
4. Step 4: Simplify right side
   59,985.98x = 2,742,376,821.82
5. Step 5: Solve for x
   x = 2,742,376,821.82/59,985.98
6. Step 6: Final answer
   x = 45,716.97