Finding the Fourth Proportional to 110,781.72, 165,983.52 and 60,903.60

Step by Step Solution

1. Step 1: Write the proportion equation
   110,781.72 : 165,983.52 = 60,903.60 : x
2. Step 2: Convert to fraction form
   110,781.72/165,983.52 = 60,903.60/x
3. Step 3: Cross multiply
   110,781.72x = 165,983.52 × 60,903.60
4. Step 4: Simplify right side
   110,781.72x = 10,108,993,908.67
5. Step 5: Solve for x
   x = 10,108,993,908.67/110,781.72
6. Step 6: Final answer
   x = 91,251.46