Finding the Fourth Proportional to 59,985.58, 82,780.72 and 33,128.76

Step by Step Solution

1. Step 1: Write the proportion equation
   59,985.58 : 82,780.72 = 33,128.76 : x
2. Step 2: Convert to fraction form
   59,985.58/82,780.72 = 33,128.76/x
3. Step 3: Cross multiply
   59,985.58x = 82,780.72 × 33,128.76
4. Step 4: Simplify right side
   59,985.58x = 2,742,422,605.51
5. Step 5: Solve for x
   x = 2,742,422,605.51/59,985.58
6. Step 6: Final answer
   x = 45,718.03