Finding the Fourth Proportional to 57,100.42, 78,814.56 and 33,231.70

Step by Step Solution

1. Step 1: Write the proportion equation
   57,100.42 : 78,814.56 = 33,231.70 : x
2. Step 2: Convert to fraction form
   57,100.42/78,814.56 = 33,231.70/x
3. Step 3: Cross multiply
   57,100.42x = 78,814.56 × 33,231.70
4. Step 4: Simplify right side
   57,100.42x = 2,619,141,813.55
5. Step 5: Solve for x
   x = 2,619,141,813.55/57,100.42
6. Step 6: Final answer
   x = 45,869.05