Finding the Fourth Proportional to 117,185.98, 161,716.59 and 63,470.98

Step by Step Solution

1. Step 1: Write the proportion equation
   117,185.98 : 161,716.59 = 63,470.98 : x
2. Step 2: Convert to fraction form
   117,185.98/161,716.59 = 63,470.98/x
3. Step 3: Cross multiply
   117,185.98x = 161,716.59 × 63,470.98
4. Step 4: Simplify right side
   117,185.98x = 10,264,310,449.56
5. Step 5: Solve for x
   x = 10,264,310,449.56/117,185.98
6. Step 6: Final answer
   x = 87,589.92