Finding the Fourth Proportional to 23,818.30, 32,870.76 and 13,748.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,818.30 : 32,870.76 = 13,748.60 : x
2. Step 2: Convert to fraction form
   23,818.30/32,870.76 = 13,748.60/x
3. Step 3: Cross multiply
   23,818.30x = 32,870.76 × 13,748.60
4. Step 4: Simplify right side
   23,818.30x = 451,926,930.94
5. Step 5: Solve for x
   x = 451,926,930.94/23,818.30
6. Step 6: Final answer
   x = 18,973.94