Finding the Fourth Proportional to 111,903.86, 154,484.42 and 86,352.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,903.86 : 154,484.42 = 86,352.82 : x
2. Step 2: Convert to fraction form
   111,903.86/154,484.42 = 86,352.82/x
3. Step 3: Cross multiply
   111,903.86x = 154,484.42 × 86,352.82
4. Step 4: Simplify right side
   111,903.86x = 13,340,164,495.09
5. Step 5: Solve for x
   x = 13,340,164,495.09/111,903.86
6. Step 6: Final answer
   x = 119,210.94