Finding the Fourth Proportional to 23,492.28, 32,419.80 and 12,881.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,492.28 : 32,419.80 = 12,881.91 : x
2. Step 2: Convert to fraction form
   23,492.28/32,419.80 = 12,881.91/x
3. Step 3: Cross multiply
   23,492.28x = 32,419.80 × 12,881.91
4. Step 4: Simplify right side
   23,492.28x = 417,628,945.82
5. Step 5: Solve for x
   x = 417,628,945.82/23,492.28
6. Step 6: Final answer
   x = 17,777.28