Finding the Fourth Proportional to 72,595.51, 108,893.82 and 20,007.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,595.51 : 108,893.82 = 20,007.88 : x
2. Step 2: Convert to fraction form
   72,595.51/108,893.82 = 20,007.88/x
3. Step 3: Cross multiply
   72,595.51x = 108,893.82 × 20,007.88
4. Step 4: Simplify right side
   72,595.51x = 2,178,734,483.30
5. Step 5: Solve for x
   x = 2,178,734,483.30/72,595.51
6. Step 6: Final answer
   x = 30,011.97