Finding the Fourth Proportional to 42,961.68, 59,259.84 and 31,042.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,961.68 : 59,259.84 = 31,042.52 : x
2. Step 2: Convert to fraction form
   42,961.68/59,259.84 = 31,042.52/x
3. Step 3: Cross multiply
   42,961.68x = 59,259.84 × 31,042.52
4. Step 4: Simplify right side
   42,961.68x = 1,839,574,768.40
5. Step 5: Solve for x
   x = 1,839,574,768.40/42,961.68
6. Step 6: Final answer
   x = 42,818.97