Finding the Fourth Proportional to 81,830.96, 122,746.55 and 25,675.37

Step by Step Solution

1. Step 1: Write the proportion equation
   81,830.96 : 122,746.55 = 25,675.37 : x
2. Step 2: Convert to fraction form
   81,830.96/122,746.55 = 25,675.37/x
3. Step 3: Cross multiply
   81,830.96x = 122,746.55 × 25,675.37
4. Step 4: Simplify right side
   81,830.96x = 3,151,563,087.47
5. Step 5: Solve for x
   x = 3,151,563,087.47/81,830.96
6. Step 6: Final answer
   x = 38,513.09