Finding the Fourth Proportional to 23,222.47, 32,056.81 and 15,679.01

Step by Step Solution

1. Step 1: Write the proportion equation
   23,222.47 : 32,056.81 = 15,679.01 : x
2. Step 2: Convert to fraction form
   23,222.47/32,056.81 = 15,679.01/x
3. Step 3: Cross multiply
   23,222.47x = 32,056.81 × 15,679.01
4. Step 4: Simplify right side
   23,222.47x = 502,619,044.56
5. Step 5: Solve for x
   x = 502,619,044.56/23,222.47
6. Step 6: Final answer
   x = 21,643.65