Finding the Fourth Proportional to 113,410.48, 156,496.29 and 65,667.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,410.48 : 156,496.29 = 65,667.05 : x
2. Step 2: Convert to fraction form
   113,410.48/156,496.29 = 65,667.05/x
3. Step 3: Cross multiply
   113,410.48x = 156,496.29 × 65,667.05
4. Step 4: Simplify right side
   113,410.48x = 10,276,649,700.24
5. Step 5: Solve for x
   x = 10,276,649,700.24/113,410.48
6. Step 6: Final answer
   x = 90,614.64