Finding the Fourth Proportional to 72,097.68, 107,924.76 and 47,083.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,097.68 : 107,924.76 = 47,083.80 : x
2. Step 2: Convert to fraction form
   72,097.68/107,924.76 = 47,083.80/x
3. Step 3: Cross multiply
   72,097.68x = 107,924.76 × 47,083.80
4. Step 4: Simplify right side
   72,097.68x = 5,081,507,814.89
5. Step 5: Solve for x
   x = 5,081,507,814.89/72,097.68
6. Step 6: Final answer
   x = 70,480.88