Finding the Fourth Proportional to 57,112.84, 78,818.30 and 31,962.34

Step by Step Solution

1. Step 1: Write the proportion equation
   57,112.84 : 78,818.30 = 31,962.34 : x
2. Step 2: Convert to fraction form
   57,112.84/78,818.30 = 31,962.34/x
3. Step 3: Cross multiply
   57,112.84x = 78,818.30 × 31,962.34
4. Step 4: Simplify right side
   57,112.84x = 2,519,217,302.82
5. Step 5: Solve for x
   x = 2,519,217,302.82/57,112.84
6. Step 6: Final answer
   x = 44,109.47