Finding the Fourth Proportional to 42,031.77, 58,003.09 and 22,911.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,031.77 : 58,003.09 = 22,911.72 : x
2. Step 2: Convert to fraction form
   42,031.77/58,003.09 = 22,911.72/x
3. Step 3: Cross multiply
   42,031.77x = 58,003.09 × 22,911.72
4. Step 4: Simplify right side
   42,031.77x = 1,328,950,557.21
5. Step 5: Solve for x
   x = 1,328,950,557.21/42,031.77
6. Step 6: Final answer
   x = 31,617.76