Finding the Fourth Proportional to 59,120.57, 81,579.70 and 33,978.17

Step by Step Solution

1. Step 1: Write the proportion equation
   59,120.57 : 81,579.70 = 33,978.17 : x
2. Step 2: Convert to fraction form
   59,120.57/81,579.70 = 33,978.17/x
3. Step 3: Cross multiply
   59,120.57x = 81,579.70 × 33,978.17
4. Step 4: Simplify right side
   59,120.57x = 2,771,928,915.15
5. Step 5: Solve for x
   x = 2,771,928,915.15/59,120.57
6. Step 6: Final answer
   x = 46,886.03