Finding the Fourth Proportional to 31,090.07, 46,641.77 and 10,031.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,090.07 : 46,641.77 = 10,031.31 : x
2. Step 2: Convert to fraction form
   31,090.07/46,641.77 = 10,031.31/x
3. Step 3: Cross multiply
   31,090.07x = 46,641.77 × 10,031.31
4. Step 4: Simplify right side
   31,090.07x = 467,878,053.82
5. Step 5: Solve for x
   x = 467,878,053.82/31,090.07
6. Step 6: Final answer
   x = 15,049.12