Finding the Fourth Proportional to 42,726.80, 58,893 and 30,773.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,726.80 : 58,893 = 30,773.36 : x
2. Step 2: Convert to fraction form
   42,726.80/58,893 = 30,773.36/x
3. Step 3: Cross multiply
   42,726.80x = 58,893 × 30,773.36
4. Step 4: Simplify right side
   42,726.80x = 1,812,335,490.48
5. Step 5: Solve for x
   x = 1,812,335,490.48/42,726.80
6. Step 6: Final answer
   x = 42,416.83