Finding the Fourth Proportional to 113,535.48, 156,667.02 and 65,803.80

Step by Step Solution

1. Step 1: Write the proportion equation
   113,535.48 : 156,667.02 = 65,803.80 : x
2. Step 2: Convert to fraction form
   113,535.48/156,667.02 = 65,803.80/x
3. Step 3: Cross multiply
   113,535.48x = 156,667.02 × 65,803.80
4. Step 4: Simplify right side
   113,535.48x = 10,309,285,250.68
5. Step 5: Solve for x
   x = 10,309,285,250.68/113,535.48
6. Step 6: Final answer
   x = 90,802.32