Finding the Fourth Proportional to 57,570.72, 79,447.76 and 33,376.40

Step by Step Solution

1. Step 1: Write the proportion equation
   57,570.72 : 79,447.76 = 33,376.40 : x
2. Step 2: Convert to fraction form
   57,570.72/79,447.76 = 33,376.40/x
3. Step 3: Cross multiply
   57,570.72x = 79,447.76 × 33,376.40
4. Step 4: Simplify right side
   57,570.72x = 2,651,680,216.86
5. Step 5: Solve for x
   x = 2,651,680,216.86/57,570.72
6. Step 6: Final answer
   x = 46,059.53