Finding the Fourth Proportional to 72,259.47, 108,378.27 and 19,673.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,259.47 : 108,378.27 = 19,673.10 : x
2. Step 2: Convert to fraction form
   72,259.47/108,378.27 = 19,673.10/x
3. Step 3: Cross multiply
   72,259.47x = 108,378.27 × 19,673.10
4. Step 4: Simplify right side
   72,259.47x = 2,132,136,543.54
5. Step 5: Solve for x
   x = 2,132,136,543.54/72,259.47
6. Step 6: Final answer
   x = 29,506.67