Finding the Fourth Proportional to 72,621.07, 108,937.04 and 20,030.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,621.07 : 108,937.04 = 20,030.06 : x
2. Step 2: Convert to fraction form
   72,621.07/108,937.04 = 20,030.06/x
3. Step 3: Cross multiply
   72,621.07x = 108,937.04 × 20,030.06
4. Step 4: Simplify right side
   72,621.07x = 2,182,015,619.61
5. Step 5: Solve for x
   x = 2,182,015,619.61/72,621.07
6. Step 6: Final answer
   x = 30,046.59