Finding the Fourth Proportional to 23,018.64, 34,586.32 and 21,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,018.64 : 34,586.32 = 21,470.72 : x
2. Step 2: Convert to fraction form
   23,018.64/34,586.32 = 21,470.72/x
3. Step 3: Cross multiply
   23,018.64x = 34,586.32 × 21,470.72
4. Step 4: Simplify right side
   23,018.64x = 742,593,192.55
5. Step 5: Solve for x
   x = 742,593,192.55/23,018.64
6. Step 6: Final answer
   x = 32,260.52