Finding the Fourth Proportional to 23,460, 32,374.80 and 12,849.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,460 : 32,374.80 = 12,849.72 : x
2. Step 2: Convert to fraction form
   23,460/32,374.80 = 12,849.72/x
3. Step 3: Cross multiply
   23,460x = 32,374.80 × 12,849.72
4. Step 4: Simplify right side
   23,460x = 416,007,115.06
5. Step 5: Solve for x
   x = 416,007,115.06/23,460
6. Step 6: Final answer
   x = 17,732.61