Finding the Fourth Proportional to 111,269.52, 165,833.76 and 109,498.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,269.52 : 165,833.76 = 109,498.08 : x
2. Step 2: Convert to fraction form
   111,269.52/165,833.76 = 109,498.08/x
3. Step 3: Cross multiply
   111,269.52x = 165,833.76 × 109,498.08
4. Step 4: Simplify right side
   111,269.52x = 18,158,478,319.18
5. Step 5: Solve for x
   x = 18,158,478,319.18/111,269.52
6. Step 6: Final answer
   x = 163,193.64