Finding the Fourth Proportional to 72,300.16, 108,439.98 and 27,947.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,300.16 : 108,439.98 = 27,947.80 : x
2. Step 2: Convert to fraction form
   72,300.16/108,439.98 = 27,947.80/x
3. Step 3: Cross multiply
   72,300.16x = 108,439.98 × 27,947.80
4. Step 4: Simplify right side
   72,300.16x = 3,030,658,873.04
5. Step 5: Solve for x
   x = 3,030,658,873.04/72,300.16
6. Step 6: Final answer
   x = 41,917.73