Finding the Fourth Proportional to 57,117.76, 78,830.72 and 33,257.59

Step by Step Solution

1. Step 1: Write the proportion equation
   57,117.76 : 78,830.72 = 33,257.59 : x
2. Step 2: Convert to fraction form
   57,117.76/78,830.72 = 33,257.59/x
3. Step 3: Cross multiply
   57,117.76x = 78,830.72 × 33,257.59
4. Step 4: Simplify right side
   57,117.76x = 2,621,719,526.52
5. Step 5: Solve for x
   x = 2,621,719,526.52/57,117.76
6. Step 6: Final answer
   x = 45,900.25