Finding the Fourth Proportional to 57,012.18, 78,670.71 and 33,133.86

Step by Step Solution

1. Step 1: Write the proportion equation
   57,012.18 : 78,670.71 = 33,133.86 : x
2. Step 2: Convert to fraction form
   57,012.18/78,670.71 = 33,133.86/x
3. Step 3: Cross multiply
   57,012.18x = 78,670.71 × 33,133.86
4. Step 4: Simplify right side
   57,012.18x = 2,606,664,291.24
5. Step 5: Solve for x
   x = 2,606,664,291.24/57,012.18
6. Step 6: Final answer
   x = 45,721.18