Finding the Fourth Proportional to 118,185.35, 163,116.86 and 70,441.79

Step by Step Solution

1. Step 1: Write the proportion equation
   118,185.35 : 163,116.86 = 70,441.79 : x
2. Step 2: Convert to fraction form
   118,185.35/163,116.86 = 70,441.79/x
3. Step 3: Cross multiply
   118,185.35x = 163,116.86 × 70,441.79
4. Step 4: Simplify right side
   118,185.35x = 11,490,242,429.79
5. Step 5: Solve for x
   x = 11,490,242,429.79/118,185.35
6. Step 6: Final answer
   x = 97,222.23