Finding the Fourth Proportional to 42,065.68, 58,042.56 and 25,299.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,065.68 : 58,042.56 = 25,299.76 : x
2. Step 2: Convert to fraction form
   42,065.68/58,042.56 = 25,299.76/x
3. Step 3: Cross multiply
   42,065.68x = 58,042.56 × 25,299.76
4. Step 4: Simplify right side
   42,065.68x = 1,468,462,837.79
5. Step 5: Solve for x
   x = 1,468,462,837.79/42,065.68
6. Step 6: Final answer
   x = 34,908.81