Finding the Fourth Proportional to 42,077.25, 58,062.45 and 29,357.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,077.25 : 58,062.45 = 29,357.78 : x
2. Step 2: Convert to fraction form
   42,077.25/58,062.45 = 29,357.78/x
3. Step 3: Cross multiply
   42,077.25x = 58,062.45 × 29,357.78
4. Step 4: Simplify right side
   42,077.25x = 1,704,584,453.14
5. Step 5: Solve for x
   x = 1,704,584,453.14/42,077.25
6. Step 6: Final answer
   x = 40,510.83