Finding the Fourth Proportional to 72,570.60, 108,823.10 and 25,824.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,570.60 : 108,823.10 = 25,824.69 : x
2. Step 2: Convert to fraction form
   72,570.60/108,823.10 = 25,824.69/x
3. Step 3: Cross multiply
   72,570.60x = 108,823.10 × 25,824.69
4. Step 4: Simplify right side
   72,570.60x = 2,810,322,693.22
5. Step 5: Solve for x
   x = 2,810,322,693.22/72,570.60
6. Step 6: Final answer
   x = 38,725.36