Finding the Fourth Proportional to 23,507.51, 32,440.59 and 12,897.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,507.51 : 32,440.59 = 12,897.53 : x
2. Step 2: Convert to fraction form
   23,507.51/32,440.59 = 12,897.53/x
3. Step 3: Cross multiply
   23,507.51x = 32,440.59 × 12,897.53
4. Step 4: Simplify right side
   23,507.51x = 418,403,256.05
5. Step 5: Solve for x
   x = 418,403,256.05/23,507.51
6. Step 6: Final answer
   x = 17,798.71