Finding the Fourth Proportional to 45,451.98, 62,670.06 and 31,118.76

Step by Step Solution

1. Step 1: Write the proportion equation
   45,451.98 : 62,670.06 = 31,118.76 : x
2. Step 2: Convert to fraction form
   45,451.98/62,670.06 = 31,118.76/x
3. Step 3: Cross multiply
   45,451.98x = 62,670.06 × 31,118.76
4. Step 4: Simplify right side
   45,451.98x = 1,950,214,556.33
5. Step 5: Solve for x
   x = 1,950,214,556.33/45,451.98
6. Step 6: Final answer
   x = 42,907.14