Finding the Fourth Proportional to 81,597.33, 122,408.34 and 28,994.31

Step by Step Solution

1. Step 1: Write the proportion equation
   81,597.33 : 122,408.34 = 28,994.31 : x
2. Step 2: Convert to fraction form
   81,597.33/122,408.34 = 28,994.31/x
3. Step 3: Cross multiply
   81,597.33x = 122,408.34 × 28,994.31
4. Step 4: Simplify right side
   81,597.33x = 3,549,145,356.55
5. Step 5: Solve for x
   x = 3,549,145,356.55/81,597.33
6. Step 6: Final answer
   x = 43,495.85