Finding the Fourth Proportional to 42,300.49, 63,443.85 and 15,998.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,300.49 : 63,443.85 = 15,998.98 : x
2. Step 2: Convert to fraction form
   42,300.49/63,443.85 = 15,998.98/x
3. Step 3: Cross multiply
   42,300.49x = 63,443.85 × 15,998.98
4. Step 4: Simplify right side
   42,300.49x = 1,015,036,887.27
5. Step 5: Solve for x
   x = 1,015,036,887.27/42,300.49
6. Step 6: Final answer
   x = 23,995.87