Finding the Fourth Proportional to 113,533.08, 156,675.72 and 65,814.20

Step by Step Solution

1. Step 1: Write the proportion equation
   113,533.08 : 156,675.72 = 65,814.20 : x
2. Step 2: Convert to fraction form
   113,533.08/156,675.72 = 65,814.20/x
3. Step 3: Cross multiply
   113,533.08x = 156,675.72 × 65,814.20
4. Step 4: Simplify right side
   113,533.08x = 10,311,487,171.22
5. Step 5: Solve for x
   x = 10,311,487,171.22/113,533.08
6. Step 6: Final answer
   x = 90,823.64