Finding the Fourth Proportional to 116,533.01, 160,820.35 and 65,548.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,533.01 : 160,820.35 = 65,548.12 : x
2. Step 2: Convert to fraction form
   116,533.01/160,820.35 = 65,548.12/x
3. Step 3: Cross multiply
   116,533.01x = 160,820.35 × 65,548.12
4. Step 4: Simplify right side
   116,533.01x = 10,541,470,796.14
5. Step 5: Solve for x
   x = 10,541,470,796.14/116,533.01
6. Step 6: Final answer
   x = 90,459.10