Finding the Fourth Proportional to 31,073, 46,615.59 and 12,349.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073 : 46,615.59 = 12,349.55 : x
2. Step 2: Convert to fraction form
   31,073/46,615.59 = 12,349.55/x
3. Step 3: Cross multiply
   31,073x = 46,615.59 × 12,349.55
4. Step 4: Simplify right side
   31,073x = 575,681,326.41
5. Step 5: Solve for x
   x = 575,681,326.41/31,073
6. Step 6: Final answer
   x = 18,526.74