Finding the Fourth Proportional to 42,142.36, 58,109.34 and 34,461.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142.36 : 58,109.34 = 34,461.76 : x
2. Step 2: Convert to fraction form
   42,142.36/58,109.34 = 34,461.76/x
3. Step 3: Cross multiply
   42,142.36x = 58,109.34 × 34,461.76
4. Step 4: Simplify right side
   42,142.36x = 2,002,550,128.84
5. Step 5: Solve for x
   x = 2,002,550,128.84/42,142.36
6. Step 6: Final answer
   x = 47,518.70