Finding the Fourth Proportional to 23,507.01, 32,439.89 and 12,897.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,507.01 : 32,439.89 = 12,897.02 : x
2. Step 2: Convert to fraction form
   23,507.01/32,439.89 = 12,897.02/x
3. Step 3: Cross multiply
   23,507.01x = 32,439.89 × 12,897.02
4. Step 4: Simplify right side
   23,507.01x = 418,378,023.47
5. Step 5: Solve for x
   x = 418,378,023.47/23,507.01
6. Step 6: Final answer
   x = 17,798.01