Finding the Fourth Proportional to 111,762.36, 154,204.98 and 70,911.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,762.36 : 154,204.98 = 70,911.57 : x
2. Step 2: Convert to fraction form
   111,762.36/154,204.98 = 70,911.57/x
3. Step 3: Cross multiply
   111,762.36x = 154,204.98 × 70,911.57
4. Step 4: Simplify right side
   111,762.36x = 10,934,917,233.62
5. Step 5: Solve for x
   x = 10,934,917,233.62/111,762.36
6. Step 6: Final answer
   x = 97,840.79