Finding the Fourth Proportional to 23,279.56, 32,141.86 and 21,792.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,279.56 : 32,141.86 = 21,792.40 : x
2. Step 2: Convert to fraction form
   23,279.56/32,141.86 = 21,792.40/x
3. Step 3: Cross multiply
   23,279.56x = 32,141.86 × 21,792.40
4. Step 4: Simplify right side
   23,279.56x = 700,448,269.86
5. Step 5: Solve for x
   x = 700,448,269.86/23,279.56
6. Step 6: Final answer
   x = 30,088.55