Finding the Fourth Proportional to 76,031.05, 104,924.43 and 42,042.33

Step by Step Solution

1. Step 1: Write the proportion equation
   76,031.05 : 104,924.43 = 42,042.33 : x
2. Step 2: Convert to fraction form
   76,031.05/104,924.43 = 42,042.33/x
3. Step 3: Cross multiply
   76,031.05x = 104,924.43 × 42,042.33
4. Step 4: Simplify right side
   76,031.05x = 4,411,267,300.91
5. Step 5: Solve for x
   x = 4,411,267,300.91/76,031.05
6. Step 6: Final answer
   x = 58,019.29