Finding the Fourth Proportional to 57,100.70, 78,796.41 and 31,608.02

Step by Step Solution

1. Step 1: Write the proportion equation
   57,100.70 : 78,796.41 = 31,608.02 : x
2. Step 2: Convert to fraction form
   57,100.70/78,796.41 = 31,608.02/x
3. Step 3: Cross multiply
   57,100.70x = 78,796.41 × 31,608.02
4. Step 4: Simplify right side
   57,100.70x = 2,490,598,503.21
5. Step 5: Solve for x
   x = 2,490,598,503.21/57,100.70
6. Step 6: Final answer
   x = 43,617.65