Finding the Fourth Proportional to 110,502.33, 165,471.86 and 72,947.76

Step by Step Solution

1. Step 1: Write the proportion equation
   110,502.33 : 165,471.86 = 72,947.76 : x
2. Step 2: Convert to fraction form
   110,502.33/165,471.86 = 72,947.76/x
3. Step 3: Cross multiply
   110,502.33x = 165,471.86 × 72,947.76
4. Step 4: Simplify right side
   110,502.33x = 12,070,801,091.88
5. Step 5: Solve for x
   x = 12,070,801,091.88/110,502.33
6. Step 6: Final answer
   x = 109,235.72