Finding the Fourth Proportional to 72,293.16, 108,443.58 and 22,407.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,293.16 : 108,443.58 = 22,407.72 : x
2. Step 2: Convert to fraction form
   72,293.16/108,443.58 = 22,407.72/x
3. Step 3: Cross multiply
   72,293.16x = 108,443.58 × 22,407.72
4. Step 4: Simplify right side
   72,293.16x = 2,429,973,376.44
5. Step 5: Solve for x
   x = 2,429,973,376.44/72,293.16
6. Step 6: Final answer
   x = 33,612.77