Finding the Fourth Proportional to 59,985.57, 82,780.71 and 33,128.76

Step by Step Solution

1. Step 1: Write the proportion equation
   59,985.57 : 82,780.71 = 33,128.76 : x
2. Step 2: Convert to fraction form
   59,985.57/82,780.71 = 33,128.76/x
3. Step 3: Cross multiply
   59,985.57x = 82,780.71 × 33,128.76
4. Step 4: Simplify right side
   59,985.57x = 2,742,422,274.22
5. Step 5: Solve for x
   x = 2,742,422,274.22/59,985.57
6. Step 6: Final answer
   x = 45,718.03