Finding the Fourth Proportional to 28,215.58, 42,324.72 and 23,276.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,215.58 : 42,324.72 = 23,276.06 : x
2. Step 2: Convert to fraction form
   28,215.58/42,324.72 = 23,276.06/x
3. Step 3: Cross multiply
   28,215.58x = 42,324.72 × 23,276.06
4. Step 4: Simplify right side
   28,215.58x = 985,152,722.20
5. Step 5: Solve for x
   x = 985,152,722.20/28,215.58
6. Step 6: Final answer
   x = 34,915.20