Finding the Fourth Proportional to 23,528.60, 32,470.02 and 12,918.41

Step by Step Solution

1. Step 1: Write the proportion equation
   23,528.60 : 32,470.02 = 12,918.41 : x
2. Step 2: Convert to fraction form
   23,528.60/32,470.02 = 12,918.41/x
3. Step 3: Cross multiply
   23,528.60x = 32,470.02 × 12,918.41
4. Step 4: Simplify right side
   23,528.60x = 419,460,868.72
5. Step 5: Solve for x
   x = 419,460,868.72/23,528.60
6. Step 6: Final answer
   x = 17,827.71