Finding the Fourth Proportional to 31,300.50, 43,196.61 and 18,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300.50 : 43,196.61 = 18,052.50 : x
2. Step 2: Convert to fraction form
   31,300.50/43,196.61 = 18,052.50/x
3. Step 3: Cross multiply
   31,300.50x = 43,196.61 × 18,052.50
4. Step 4: Simplify right side
   31,300.50x = 779,806,802.03
5. Step 5: Solve for x
   x = 779,806,802.03/31,300.50
6. Step 6: Final answer
   x = 24,913.56