Finding the Fourth Proportional to 31,495.98, 43,447.91 and 18,740.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,495.98 : 43,447.91 = 18,740.10 : x
2. Step 2: Convert to fraction form
   31,495.98/43,447.91 = 18,740.10/x
3. Step 3: Cross multiply
   31,495.98x = 43,447.91 × 18,740.10
4. Step 4: Simplify right side
   31,495.98x = 814,218,084.49
5. Step 5: Solve for x
   x = 814,218,084.49/31,495.98
6. Step 6: Final answer
   x = 25,851.49