Finding the Fourth Proportional to 42,377, 58,272.90 and 36,778.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,377 : 58,272.90 = 36,778.28 : x
2. Step 2: Convert to fraction form
   42,377/58,272.90 = 36,778.28/x
3. Step 3: Cross multiply
   42,377x = 58,272.90 × 36,778.28
4. Step 4: Simplify right side
   42,377x = 2,143,177,032.61
5. Step 5: Solve for x
   x = 2,143,177,032.61/42,377
6. Step 6: Final answer
   x = 50,574.06