Finding the Fourth Proportional to 63,010.28, 86,986.33 and 42,699.64

Step by Step Solution

1. Step 1: Write the proportion equation
   63,010.28 : 86,986.33 = 42,699.64 : x
2. Step 2: Convert to fraction form
   63,010.28/86,986.33 = 42,699.64/x
3. Step 3: Cross multiply
   63,010.28x = 86,986.33 × 42,699.64
4. Step 4: Simplify right side
   63,010.28x = 3,714,285,168.02
5. Step 5: Solve for x
   x = 3,714,285,168.02/63,010.28
6. Step 6: Final answer
   x = 58,947.29