Finding the Fourth Proportional to 72,621.06, 108,937.02 and 20,030.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,621.06 : 108,937.02 = 20,030.10 : x
2. Step 2: Convert to fraction form
   72,621.06/108,937.02 = 20,030.10/x
3. Step 3: Cross multiply
   72,621.06x = 108,937.02 × 20,030.10
4. Step 4: Simplify right side
   72,621.06x = 2,182,019,404.30
5. Step 5: Solve for x
   x = 2,182,019,404.30/72,621.06
6. Step 6: Final answer
   x = 30,046.65