Finding the Fourth Proportional to 42,003.05, 63,013.77 and 30,875.99

Step by Step Solution

1. Step 1: Write the proportion equation
   42,003.05 : 63,013.77 = 30,875.99 : x
2. Step 2: Convert to fraction form
   42,003.05/63,013.77 = 30,875.99/x
3. Step 3: Cross multiply
   42,003.05x = 63,013.77 × 30,875.99
4. Step 4: Simplify right side
   42,003.05x = 1,945,612,217.31
5. Step 5: Solve for x
   x = 1,945,612,217.31/42,003.05
6. Step 6: Final answer
   x = 46,320.74