Finding the Fourth Proportional to 118,859.69, 164,002.12 and 70,440.27

Step by Step Solution

1. Step 1: Write the proportion equation
   118,859.69 : 164,002.12 = 70,440.27 : x
2. Step 2: Convert to fraction form
   118,859.69/164,002.12 = 70,440.27/x
3. Step 3: Cross multiply
   118,859.69x = 164,002.12 × 70,440.27
4. Step 4: Simplify right side
   118,859.69x = 11,552,353,613.37
5. Step 5: Solve for x
   x = 11,552,353,613.37/118,859.69
6. Step 6: Final answer
   x = 97,193.20