Finding the Fourth Proportional to 31,051.82, 46,563.46 and 9,987.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,051.82 : 46,563.46 = 9,987.98 : x
2. Step 2: Convert to fraction form
   31,051.82/46,563.46 = 9,987.98/x
3. Step 3: Cross multiply
   31,051.82x = 46,563.46 × 9,987.98
4. Step 4: Simplify right side
   31,051.82x = 465,074,649.42
5. Step 5: Solve for x
   x = 465,074,649.42/31,051.82
6. Step 6: Final answer
   x = 14,977.37