Finding the Fourth Proportional to 42,030.96, 63,048.60 and 10,866.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,030.96 : 63,048.60 = 10,866.48 : x
2. Step 2: Convert to fraction form
   42,030.96/63,048.60 = 10,866.48/x
3. Step 3: Cross multiply
   42,030.96x = 63,048.60 × 10,866.48
4. Step 4: Simplify right side
   42,030.96x = 685,116,350.93
5. Step 5: Solve for x
   x = 685,116,350.93/42,030.96
6. Step 6: Final answer
   x = 16,300.28