Finding the Fourth Proportional to 42,780.88, 58,975.86 and 29,330.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,780.88 : 58,975.86 = 29,330.83 : x
2. Step 2: Convert to fraction form
   42,780.88/58,975.86 = 29,330.83/x
3. Step 3: Cross multiply
   42,780.88x = 58,975.86 × 29,330.83
4. Step 4: Simplify right side
   42,780.88x = 1,729,810,923.76
5. Step 5: Solve for x
   x = 1,729,810,923.76/42,780.88
6. Step 6: Final answer
   x = 40,434.21