Finding the Fourth Proportional to 81,597.57, 122,431.18 and 46,085.55

Step by Step Solution

1. Step 1: Write the proportion equation
   81,597.57 : 122,431.18 = 46,085.55 : x
2. Step 2: Convert to fraction form
   81,597.57/122,431.18 = 46,085.55/x
3. Step 3: Cross multiply
   81,597.57x = 122,431.18 × 46,085.55
4. Step 4: Simplify right side
   81,597.57x = 5,642,308,267.45
5. Step 5: Solve for x
   x = 5,642,308,267.45/81,597.57
6. Step 6: Final answer
   x = 69,147.99