Finding the Fourth Proportional to 23,488.65, 32,412.15 and 12,878.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,488.65 : 32,412.15 = 12,878.46 : x
2. Step 2: Convert to fraction form
   23,488.65/32,412.15 = 12,878.46/x
3. Step 3: Cross multiply
   23,488.65x = 32,412.15 × 12,878.46
4. Step 4: Simplify right side
   23,488.65x = 417,418,577.29
5. Step 5: Solve for x
   x = 417,418,577.29/23,488.65
6. Step 6: Final answer
   x = 17,771.08